Amerisleep AS2 Mattress Review

Why Trust Healthy Americans

Our accomplished team of sleep science coaches, engineers, and product evaluators meticulously assess hundreds of mattresses using our unique product methodology. Each article is reviewed for precision, citing only credible sources. Systematically reassessing our content and picks, we align with the latest scientific literature and expert counsel. Our top-rated mattresses have been personally assessed and highly rated.

Close modal

Freshly Re-evaluated

We've recently updated our top mattress picks, incorporating new insights from our professional testers. If a mattress appears on this list, you can be sure that we've personally assessed it and granted it a high rating based on our stringent evaluation standards.

Looking for the perfect mattress can feel like searching for a needle in a haystack. Especially with countless options promising the perfect night’s sleep.

But what if I told you there’s a mattress that combines cooling technology that actually works, motion isolation that could hide an elephant’s midnight snack run, and support that could make your back feel like it’s getting a gentle hug all night long?

Meet the Amerisleep AS2, a mattress that’s caught my attention not just for its impressive specs on paper, but for how it performs in real-world testing.

As someone who’s spent countless hours evaluating mattresses (yes, napping is part of my job!), I’ve learned that what matters isn’t just the fancy features. It’s how those features come together to create a genuinely better sleep experience.

In this comprehensive review, I’ll take you through every aspect of the AS2 that I’ve tested, from its innovative Bio-Pur® foam that bounces back faster than traditional memory foam, to its remarkable ability to keep you cool even during those sticky summer nights.

I’ll share both the strengths I discovered and the limitations I encountered, helping you understand if this could be the mattress you’ve been dreaming of.

Whether you’re a back sleeper seeking proper support, a hot sleeper desperate for a cooler night’s rest, or simply someone who wants to make an informed decision about a significant investment in your sleep quality, I hope to help you understand exactly what the AS2 brings to the bedroom.

Mattress Layers, Materials, and Construction

As I unboxed my new Amerisleep AS2 for testing, I was impressed by how efficiently it was packaged. The mattress arrived tightly compressed and rolled in a compact white box, making it relatively easy to maneuver through doorways and up stairs.

When I carefully cut away the plastic wrapping, the mattress began to expand with a soft whooshing sound. It was actually quite fascinating to watch it take shape.

One of the first things that struck me was how minimal the off-gassing odor was. Unlike many foam mattresses I’ve tested that have a strong chemical smell, the AS2 had only a faint, neutral scent that dissipated quickly. This aligns with Amerisleep’s commitment to using plant-based materials in their Bio-Pur® foam.

Following the instructions, I let the mattress expand for 24 hours before sleeping on it, though it reached its full 12-inch height fairly quickly.

During this time, I took the opportunity to examine the construction up close. The attention to detail was immediately apparent, from the carefully engineered cover to the precisely cut foam layers beneath.

The moment I first placed my hand on the fully expanded mattress, I was intrigued by the cool-to-the-touch sensation of the cover. This initial impression made me eager to explore how each layer would contribute to the overall sleep experience.

Each layer serves a specific purpose in creating what Amerisleep has designed to be an optimal sleep surface. The way these layers work together is quite ingenious, almost like a carefully orchestrated symphony where each instrument plays its crucial part.

The Cover: Your First Layer of Comfort

The AS2 starts with what’s called the Refresh Cover. This isn’t just any ordinary mattress cover, either. It’s engineered with special minerals that do something quite remarkable.

When your body heat touches the cover, these minerals transform that heat into a type of energy called far infrared. This does two helpful things: it helps keep you cool (about 7 degrees cooler over a full night’s sleep), and it helps your blood flow better, which can help your muscles recover while you rest.

The Comfort Layer: Your Cushioning Support

Just under the cover, you’ll find 2 inches of something called Bio-Pur® foam. This is Amerisleep’s special version of memory foam, but with some important improvements. Traditional memory foam can trap heat and make you feel stuck when you try to move.

Bio-Pur® is different because it’s made partially from plant-based materials instead of all petroleum-based chemicals. It has an open-cell structure, which means it has tiny air pockets throughout.

Not getting it? Imagine a sponge with lots of small holes. These holes let air flow through the foam, helping heat escape so you stay cooler.

The Transition Layer: Your Pressure Relief Zone

The next layer down is a 3-inch section featuring something called HIVE® technology. HIVE® stands for Harnessing Intelligent Ventilation & Energy, but what’s really interesting is how it works.

This layer has hundreds of six-sided shapes (hexagons) cut into it. These hexagons are arranged in five zones to give different types of support to different parts of your body.

Think of it like this: where your head, back, and legs rest, the foam is firmer for support. But where your shoulders and hips rest, the foam is softer to relieve pressure. This helps keep your spine properly aligned while you sleep.

The Foundation: Your Long-Term Support

At the bottom is a 7-inch layer of Bio-Core® foam. This is the foundation that keeps everything stable. It’s made of high-density foam (2.0 pounds per cubic foot, if you’re curious about the specifics) that prevents sagging and helps the mattress last longer.

Think of it like the foundation of a house. It needs to be strong to support everything above it.

All these layers work together to create a mattress that’s supportive but not too hard, cool to sleep on, and built to last.

Sleep Positions

A mattress should respond to different sleep positions like a skilled dance partner. It needs to move with you, support you, and accommodate your changing needs throughout the night.

The way a mattress handles these different positions can reveal a lot about its overall design and who it’s best suited for.

That’s why during my comprehensive testing of the AS2, I paid careful attention to how the mattress performed in each major sleep position: side, back, stomach, and combination sleeping.

I wanted to evaluate not just initial comfort, but how the mattress supported proper alignment, managed pressure points, and adapted to position changes throughout the night.

Let me walk you through my detailed findings for each sleep position, sharing both the strengths I discovered and the limitations I encountered while testing the AS2.

Side Sleeping

Starting out with side sleeping revealed some limitations of the AS2’s firmer design. When I first rolled onto my side, I noticed immediate pressure at my shoulder and hip. These two points bear most of my weight on a mattress for side sleeping.

While the Bio-Pur® foam did soften and conform somewhat to these pressure points, it didn’t provide the deep cradling that dedicated side sleepers typically need. After about 30 minutes on my side, I began feeling the need to shift positions to relieve the pressure buildup.

The mattress’s firmer feel, while excellent for back sleeping, simply didn’t allow my shoulders and hips to sink deeply enough for optimal side sleeping comfort.

Over several nights of intentional side sleeping, I noticed that I would often unconsciously roll onto my back during the night. A clear signal that my body was seeking a more comfortable position.

I found myself using an extra pillow between my knees to help maintain alignment, though this only partially addressed the firmness issue. While some side sleepers who prefer a firmer feel might adapt to the AS2, I found it too firm for extended side sleeping comfort.

Back Sleeping

When I first lay down on my back on the AS2, I immediately noticed how the mattress distributed my weight evenly. The Bio-Pur® foam responded quickly to my body, contouring around my lower back while maintaining firm support.

I didn’t feel like I was sinking too deeply, though. Instead, it was more like floating on a supportive surface with just enough give to be comfortable.

What particularly impressed me was the zoned support from the HIVE® technology. I could feel slightly firmer support under my lower back compared to my shoulders, which helped maintain proper spinal alignment. When I placed my hand beneath my lower back, there was just enough space to indicate healthy spine positioning without an excessive gap.

After several nights of back sleeping, I woke up without the usual morning stiffness I sometimes experience with softer mattresses. The medium-firm feel proved ideal for keeping my spine neutral while sleeping on my back. Even after 8 hours, I didn’t notice any pressure points or discomfort.

Back sleeping seemed to stay slightly cooler, likely because more of my body surface was exposed to air. Side sleeping created more contact with the mattress, though the Bio-Pur® foam’s open-cell structure still managed to prevent significant heat buildup.

Stomach Sleeping

When I first lay down on my stomach on the AS2, I was immediately impressed by how well it supported my midsection. As someone who’s tested numerous mattresses, I know that stomach sleeping can be particularly tricky.

See, too soft a mattress will let your hips sink in too deeply, while too firm a surface can feel like sleeping on a board. The AS2 struck an impressive balance.

The medium-firm feel proved particularly beneficial for stomach sleeping. I noticed that my hips stayed relatively level with my shoulders, which is crucial for maintaining proper spinal alignment in this position.

When I placed a level across my back while lying on my stomach, it showed minimal deviation. It was a good sign that my spine wasn’t being forced into an unnatural arch.

One aspect I particularly appreciated was how the Bio-Pur® foam responded to pressure. While lying on my stomach, I could feel the foam supporting my abdomen without creating uncomfortable pressure points.

The foam’s quick response time also meant I didn’t feel “stuck” when I needed to adjust my position. This is a common complaint with traditional memory foam mattresses.

However, I did notice that after about an hour of stomach sleeping, I needed to adjust my pillow height. The firmness of the mattress, while great for hip support, meant I needed a very thin pillow to keep my neck properly aligned.

This isn’t a criticism of the mattress itself, but rather something stomach sleepers should keep in mind when selecting their pillows.

Combination Sleeping

To test the AS2 as a combination sleeper, I deliberately cycled through different sleep positions throughout the night to evaluate how well the mattress handled transitions and supported various positions.

The standout feature for combination sleeping was the responsiveness of the Bio-Pur® foam. Unlike traditional memory foam that can feel like quicksand when changing positions, the AS2’s foam bounced back quickly.

I noticed that the zoned support of the HIVE® technology became more apparent during combination sleeping. As I moved between positions, I could feel subtle differences in support levels across different areas of the mattress.

When I rolled from my stomach to my back, or from my back to my side, the mattress quickly adapted to support my new position.

I did notice a hierarchy of comfort across different positions:

• Back sleeping felt most natural and comfortable
• Stomach sleeping was also well-supported
• Side sleeping was less ideal, especially for extended periods

One thing that impressed me was how well the mattress maintained temperature regulation even with frequent position changes. Sometimes, moving around a lot can work up heat in a mattress, but the AS2’s cooling features kept working effectively regardless of how much I moved.

And as a combination sleeper, I often find myself near the edges of the mattress, so I made sure to test edge support thoroughly. The AS2 maintained its structural integrity well near the edges, allowing me to use the full surface of the mattress without feeling like I might roll off.

Mattress Responsiveness

A responsive mattress is like the difference between stepping onto wet sand versus quicksand – the wet sand springs back quickly, while quicksand holds onto your footprint. In mattress terms, good responsiveness means you can move freely without feeling trapped or having to wrestle with your bed to change positions.

This feature is particularly important for several reasons. Active sleepers need a responsive surface to change positions easily during the night.

People with mobility issues need a mattress that won’t hamper their movements. And anyone who’s ever felt “stuck” in a memory foam mattress understands why quick response time matters for comfort.

This crucial feature earned an impressive 9 out of 10 in my evaluation of the AS2. A high score achieved through several standout qualities:

• The Bio-Pur® foam recovers remarkably fast compared to traditional memory foam
• Movement feels natural and unrestricted across the entire surface
• The mattress maintains its responsiveness regardless of room temperature
• Position changes require minimal effort

In my assessment, I first performed what I call the “hand press test,” firmly pressing my palm into different areas of the mattress for 30 seconds, then quickly removing it. The AS2 impressed me by bouncing back within 2-3 seconds consistently across all zones. Traditional memory foam typically takes 5-7 seconds for the same recovery.

Next, I dropped a 10-pound medicine ball from a height of 6 inches and measured both the immediate bounce response and how quickly the surface returned to flat. The ball bounced roughly 2 inches on impact (less than an innerspring but more than traditional memory foam) and the surface fully recovered within a couple of seconds.

Then, lying down, I timed how quickly I could transition between different sleep positions—from back to side, side to stomach, and so on.

The Bio-Pur® foam’s quick recovery meant I could change positions smoothly without feeling like I was fighting against the mattress. Each position change felt fluid and natural, taking about the same effort as moving on a regular spring mattress. Getting out of bed in the morning was also easier because the mattress didn’t create a deep body impression that I had to climb out of.

The only reason it didn’t receive a perfect 10 is that hybrid mattresses with coil systems can provide slightly more immediate bounce. However, for an all-foam mattress, the AS2’s responsiveness is exceptional.

Mattress Motion Isolation

Motion isolation is crucial for uninterrupted sleep, especially for couples or anyone sharing a bed with a partner who moves frequently during the night.

And the AS2 earned a 10/10 rating largely in this area because the Bio-Pur® foam’s unique structure absorbs and dissipates energy remarkably well. Unlike traditional memory foam that can create a “wave effect” when compressed, the AS2’s foam localizes movement with exceptional efficiency.

First, I performed the classic water glass test. I placed a nearly full glass of water on one side of the mattress while performing various movements on the other side:

• Walking around the bed’s perimeter
• Sitting down heavily on the edge
• Getting in and out of bed normally
• Tossing and turning
• Changing sleep positions

The results were remarkable. Even during aggressive movement, the water in the glass barely rippled. When I deliberately rolled from side to side, the water surface remained almost completely still – something I rarely see even in premium mattresses.

I then conducted what I call the “partner disturbance test.” My testing partner and I took turns lying still with eyes closed while the other person:

• Changed positions every 30 seconds
• Got in and out of bed
• Adjusted pillows and blankets
• Simulated restless sleep movements
• Sat up suddenly as if waking from a dream

In each scenario, the person lying still reported minimal to no detection of the other’s movements. This is particularly impressive because many mattresses that excel at the water glass test still transmit subtle vibrations that can be felt by a sensitive sleeper.

In our extended tests, this superior motion isolation translated into practical benefits:

• No sleep disruption when my partner got up earlier than me
• Ability to change positions freely without worrying about disturbing others
• No ripple effect when pets jumped on and off the bed
• Maintained effectiveness even when using thicker mattress protectors and sheets

I also performed controlled drop tests using weights to measure motion transfer scientifically:

• Dropping a 10-pound weight from 4 and 6 inches above the surface
• Rolling a weight from one side to the other

And I could see that the foam’s compression remained highly localized, with virtually no visible movement beyond a few inches from the impact point.

What’s particularly impressive is how the AS2 achieves this level of motion isolation while still maintaining responsiveness for easy position changes.

Many mattresses that excel at motion isolation can feel “dead” or unresponsive, but the AS2 strikes an ideal balance between these typically competing characteristics.

The only scenario where I noticed any motion transfer was during extremely vigorous movement, like jumping on the bed (which I tested for thoroughness, not as a recommended activity). Even then, the motion transfer was minimal compared to other mattresses I’ve tested.

This level of motion isolation makes the AS2 an excellent choice for:

• Light sleepers who wake easily from movement
• Couples with different sleep schedules
• People who share a bed with restless sleepers
• Those who frequently change positions during sleep

The perfect score reflects not just the mattress’s technical performance in controlled tests, but its practical effectiveness in real-world sleeping situations. It’s this combination of laboratory and real-world performance that truly sets the AS2 apart in terms of motion isolation.

Mattress Edge Support

Edge support might seem like a minor feature, but it significantly impacts how usable your entire mattress surface is and how easily you can get in and out of bed. For people with mobility issues or back pain, stable edges make it much easier to sit on the edge of the bed and transition from sitting to standing. It also often indicates overall mattress durability.

And after my tests, I would give the Amerisleep AS2 a 9 out of 10 for its firmer edges. For everyday use, this level of edge support means you can confidently use every inch of your mattress surface while feeling secure and supported, making the AS2 an excellent choice for both singles and couples who value a stable sleep surface from edge to edge.

First, I performed what I call the “sit test,” spending several minutes sitting on different areas along the mattress edge. I sat as one typically would when getting ready in the morning, my feet on the floor, full weight on the edge.

The AS2 performed remarkably well here, maintaining its structure with minimal sinking. Even after 10 minutes of sitting in one spot, I felt stable and supported, without that uncomfortable “sliding off” sensation that’s common with lesser-quality foam mattresses.

Next, I tested edge support while lying down, gradually moving closer to the edge until I was right at the perimeter. This test is crucial because it reveals how much usable sleep surface you actually have.

The AS2 showed impressive stability here. I could lie right up to the edge without feeling like I might roll off. When I deliberately placed my weight near the edge in different sleep positions (back, side, and stomach), the mattress maintained its supportive properties consistently from center to edge.

I also evaluated how the mattress edges handled more dynamic pressure by standing on the edge (don’t try this at home) and pressing downward with concentrated force. This test helps predict long-term durability of the edge support.

The AS2’s edges compressed under this extreme pressure, as expected, but quickly regained their shape when the pressure was removed.  This excellent edge support suggests quality construction that should maintain its structural integrity over time.

Finally, I placed a weighted ball near the edge for 8 hours to simulate prolonged pressure. After removing the weight, the edge recovered its shape within minutes, showing excellent resilience.

The AS2 earned a 9 out of 10 because it outperforms most all-foam mattresses in edge support, nearly matching the stability typically found only in hybrid mattresses with reinforced perimeters.

The only reason it didn’t receive a perfect 10 is that there’s slightly more compression when sitting directly on the edge compared to premium hybrid mattresses with specifically reinforced edge support systems.

Remember, good edge support effectively increases your usable sleep surface. With the AS2’s strong edges, you can comfortably use the entire mattress surface, which is particularly valuable for couples sharing a bed or anyone who tends to sleep near the edge.

Coolness and Breathability

Good temperature regulation isn’t just about comfort. See, it’s crucial for quality sleep. Our bodies need to maintain a slightly lower temperature for optimal sleep, and a mattress that traps heat can seriously disrupt this process.

And the AS2’s exceptional cooling performance means you’re more likely to stay in deeper, more restorative sleep stages throughout the night. It earned a 10 out of 10 in my tests, reflecting not just the immediate cooling sensation, but the mattress’s ability to maintain comfortable temperature regulation through real-world sleeping conditions.

For anyone who sleeps hot or lives in a warm climate, this level of cooling performance could be a game-changer for sleep quality. To demonstrate this, I focused on practical, real-world tests that reflect how people actually experience their mattress’s temperature regulation.

First, I conducted what I call the “cold hand test.” Placing my palm flat on the mattress surface, I immediately noticed a distinct cooling sensation. Just imagine touching the cool side of a pillow.

But the real test came when I held my hand in place for 30 seconds, then removed it. The spot where my hand had been returned to its cool temperature within seconds, unlike traditional memory foam that often stays warm for minutes.

Another quick test involved deliberately changing positions frequently for 10 minutes. Something that typically works up heat in foam mattresses.

After this movement, I checked for any warm spots by placing my hand on different areas. The AS2 stayed notably cool, with no detectable hot spots.

Then, my testing partner and I lay on the mattress for an hour, then quickly switched positions. Neither of us felt residual warmth in the other’s spot – a remarkable feat for a foam mattress. This test mimics what happens when you roll over to a “fresh” spot during the night.

In my extended tests, I evaluated the mattress’s cooling performance under various real-world conditions:

• Normal room temperature (70°F)
• Elevated room temperature (75°F)
• High humidity conditions
• Different bedding combinations (light sheets vs. heavy comforters)
• With and without a sleeping partner
• Different sleep positions

During each test, I paid attention to how often I needed to adjust blankets or flip my pillow for cooling. All of these are common signs of overheating.

Remarkably, I didn’t need to do either, even during a particularly humid night when a particular mattress I once had would have had me tossing and turning.

Perhaps most tellingly, I checked for any clammy or damp feeling in the morning. This is an expected issue with foam mattresses that trap heat and moisture. The AS2’s surface remained dry and comfortable, with no evidence of heat retention even after a full night’s sleep.

Material Durability and Mattress Longevity

While I can’t definitively predict how long any individual AS2 will last (and I want to be clear about that limitation), the combination of material quality, construction methods, and user experiences suggests a potential lifespan of 8-10 years with proper care.

Now this exceeds the industry average for foam mattresses, which typically last 6-8 years. By maintaining realistic expectations and following proper care guidelines, the AS2 should provide reliable support and comfort for many years.

But remember, my assessment combines limited personal testing with broader user experiences, so individual results may vary based on specific use patterns and care practices.

Material Quality and Construction

From my hands-on examination, the AS2’s materials show promising signs for long-term durability. The Bio-Core® base foam, with its density of 2.0 pounds per cubic foot, meets what we consider the threshold for long-lasting support in foam mattresses.

When I pressed firmly into this layer, it recovered quickly and showed minimal immediate compression. This is a good indicator of its resilience.

The Bio-Pur® comfort layer particularly impresses me with its response time. Unlike traditional memory foam that can develop permanent impressions relatively quickly, this material bounces back faster when pressure is removed.

During my testing period, I deliberately concentrated my weight in specific areas to simulate long-term use patterns, and the foam consistently returned to its original shape.

Furthermore, Amerisleep’s 20-year warranty provides some additional confidence in the mattress’s durability.

However, I always remind people that warranty coverage doesn’t necessarily predict actual lifespan. It’s more of a safeguard against manufacturing defects.

Real-World Performance

While my testing period can’t replicate years of nightly use to predict how long a mattress lasts, customer reviews provide valuable long-term insights. Many users report their AS2 maintaining its structural integrity well beyond the industry average of 7 years.

For instance, one reviewer named Reddy from Atlanta mentioned using their AS2 for 8 years before purchasing additional ones for guest rooms—a strong testament to its durability.

However, I should note that some customers report slight softening in their preferred sleeping spots after about a year of use. This isn’t unusual for any foam mattress, but it’s important to understand that some degree of break-in is normal and doesn’t necessarily indicate premature wear.

Environmental Impact

Modern consumers increasingly recognize that every purchase carries an environmental footprint—a complex web of resource extraction, manufacturing processes, transportation, and eventual disposal.

Understanding the environmental impact of a product goes far beyond its immediate utility. And while sometimes we must accept an imperfect product as a trade-off for other factors (comfort and affordability) I find it’s important to go into these decisions with your eyes wide open.

Manufacturing

One advantage the AS2 has is that it’s made in the U.S. American manufacturing facilities operate under stricter environmental regulations than many overseas factories.

The Clean Air Act and other environmental protection laws require US manufacturers to limit emissions, properly dispose of waste materials, and use certain pollution control technologies. Amerisleep specifically highlights their zero-emissions manufacturing process for the AS2.

Many overseas factories, particularly in countries with less stringent environmental regulations, may not have these same requirements. This can lead to higher levels of pollution, improper waste disposal, and greater environmental impact from the manufacturing process itself.

And when mattresses are manufactured overseas and shipped to the U.S., they create a significant carbon footprint from long-distance transportation.

Ocean freight shipping is one of the world’s largest sources of greenhouse gas emissions. A single container ship can produce as much pollution as millions of cars.

When we consider that mattresses are bulky items requiring substantial shipping space, the environmental cost of moving them across oceans becomes considerable.

In contrast, mattresses made in America, like the AS2, only need to travel from the factory to the consumer within the same country. Even though trucks still produce emissions, the total transportation distance is drastically shorter.

Materials and End-of-Life

The AS2’s materials present a mixed environmental picture. The Bio-Pur® foam uses some plant-based materials, reducing petroleum dependence compared to traditional memory foam.

However, the mattress still contains significant synthetic materials that don’t biodegrade easily. The mattress’s expected 8-10 year lifespan is decent, meaning it won’t need frequent replacement, but it’s not as durable as some all-natural alternatives.

What to do with the mattress when it’s worn out is perhaps the most challenging environmental aspect of the AS2. The synthetic foams used in the mattress are difficult to recycle and won’t biodegrade in landfills.

And unless you can take advantage of a take-back or recycling program for mattresses, your AS2 mattress will likely end up in a landfill. Where it will persist for hundreds of years.

Still, the AS2 does meet some important environmental standards. Its CertiPUR-US® certification ensures the foams are made without ozone depleters and certain harmful chemicals.

However, compared to mattresses made with natural materials like latex or wool, which often carry organic and sustainability certifications, the AS2’s environmental credentials are more limited.

Transportation and Packaging

Amerisleep has made notable efforts to reduce their shipping impact. Their compression technology allows them to fit three times more mattresses on each delivery truck compared to traditional mattress shipping methods.

This increased efficiency means fewer delivery trucks on the road and lower transportation emissions per mattress. The company’s U.S.-based manufacturing also means shorter shipping distances to American customers compared to overseas-made mattresses.

Ways to Reduce Environmental Impact

If you choose to purchase an AS2, there are several ways to minimize its environmental impact:

• Keep the mattress as long as possible through proper care and maintenance
• Use a mattress protector to extend its lifespan
• Research local mattress recycling facilities for eventual disposal

For the most environmentally conscious consumers, it’s worth noting that Amerisleep’s Organica line offers a more sustainable alternative to the AS2. These mattresses use natural latex, organic cotton, and wool, making them more biodegradable and environmentally friendly throughout their lifecycle.

However, if you’re committed to the AS2’s specific features and feel, understanding its environmental impact can help you make an informed decision and take steps to minimize its footprint.

Potential Drawbacks

After the considerable time I’ve spent evaluating the AS2, I feel it’s important to be transparent about its limitations, even though I generally consider it a high-quality mattress.

Let me share some potential downsides and limitations I’ve identified through my own testing and analysis of customer feedback.

These don’t necessarily make the AS2 a bad mattress. In fact, I still highly recommend it for the right sleeper.

However, understanding these potential drawbacks helps set realistic expectations and ensures you can make an informed decision about whether this mattress aligns with your specific needs and preferences.

Firmer Feel Not for Everyone

The firmness level is perhaps the most significant consideration. While the AS2 is marketed as medium-firm, I found it leans definitely toward the firmer side of the spectrum.

This became particularly noticeable when I tested it as a mattress for side sleeping. Despite the HIVE® technology’s zoned support, I experienced more pressure on my shoulders and hips than I’d prefer in this position. For context, I’m average weight, and lighter individuals might find this firmness even more pronounced.

In particular, those under 130 pounds might not engage the comfort layers sufficiently to experience the intended pressure relief. This could result in a sleep surface that feels harder than intended.

Cooling But Not Ultra-Cool

Temperature regulation is another area where real-world performance might not match everyone’s expectations. While the cooling technologies are impressive, and most users report sleeping cool, I noticed that in high humidity conditions, the mattress didn’t dissipate heat quite as effectively.

A customer named Bill shared a similar experience during a 2023 heatwave, noting that humidity levels around 60% seemed to affect the mattress’s cooling capabilities.

Good But Not Great Edge Support

Edge support, while adequate for an all-foam mattress, shows some limitations. During my testing, I noticed more compression when sitting on the edges compared to hybrid mattresses.

This might be a consideration for those who frequently sit on the bed’s edge or need strong edge support for getting in and out of bed, particularly if you have mobility issues.

Possible Adjustment Period

The initial break-in period deserves mention too. Like many foam mattresses, the AS2 requires time to reach its intended feel.

In my experience, and echoed by numerous customers, it took about 30 nights to fully adjust to the mattress. During this period, some users report temporary discomfort or stiffness as their bodies adapt to the new support system.

Not the Cheapest

Price point is another factor to consider. While I believe the AS2 offers good value for its quality, sitting in the mid-range category means it’s more expensive than budget options like Zoma Start or Vaya Mattress.

For budget-conscious shoppers, the investment might feel substantial, even though financing options are available.

Off-Gassing Smell

Off-gassing, while minimal compared to many foam mattresses, still exists. In my testing, I detected a slight scent that lingered for about 48 hours.

One reviewer described it as having a “nutty” smell. While not overwhelming or long-lasting, it’s something sensitive individuals should be aware of.

Largely Synthetic

Finally, for those seeking an eco-friendly option, it’s worth noting that while the AS2 incorporates some plant-based materials and uses CertiPUR-US® certified foams, it’s not a fully organic or natural product.

Shoppers prioritizing completely natural materials might prefer Amerisleep’s Organica model instead.

Mattress Policies and Prices

When you’re making a significant purchase like a mattress that you’ll use every night for years to come, the price tag is just one part of the story. You’ll want to understand the full package,  from the generous 20-year warranty that protects against defects, to the 100-night sleep trial that lets you test the mattress in your own home.

We’ll also look at how the AS2’s prices compare to similar mattresses in the market, so you can feel confident about the value you’re getting.

Understanding these policies and prices helps you make an informed decision about your purchase. After all, a mattress isn’t just a piece of furniture! It’s an investment in your sleep quality and overall well-being.

This section will walk you through all the key policies and pricing details that come with an AS2 mattress. Let’s break down everything you need to know about AS2’s warranty coverage, sleep trial, and pricing structure.

Mattress Warranty

When you buy an AS2, you get a 20-year warranty that’s divided into two parts. The warranty starts on the day you buy your mattress and works differently as time goes on.

During the first 10-year period, if your AS2 has a manufacturing defect or gets a deep indent (more than 1.5 inches) in your sleep area, Amerisleep will give you a brand new replacement mattress.

You won’t have to pay for the mattress itself during this time, though you might need to cover shipping costs to get it to your home.

For the next 10 years, Amerisleep still offers protection, but it works differently. If you need a replacement during this time, you’ll pay half of what your original AS2 cost. The shipping costs will be your responsibility too.

To make sure your warranty stays valid, you need to do a few things:

• Never remove the law tag from your mattress
• Keep it free from stains (using a mattress protector is a good way to do this)
• Set it up on the right kind of base

So what’s the right base, and what’s a “wrong” base? Well, the AS2 works well on platform beds, adjustable bases, and solid foundations.

If you want to use a box spring (which you don’t have to do), you’ll need to put a thick piece of moisture-resistant plywood (at least 0.75 inches) on top of it first.

If you ever need to use your warranty, make sure you’ve kept your original receipt. You’ll need it as proof of purchase. Amerisleep might also ask you to send pictures of your mattress and what you’re using to support it.

One important thing to remember: this warranty only works for the person who originally bought the AS2. If you give away or sell your mattress, the warranty doesn’t transfer to the new owner.

Mattress Sleep Trial

A sleep trial matters because buying a mattress is a significant decision that affects your daily life. Reading reviews or lying on a mattress for a few minutes in a store isn’t enough to know if it’s right for you.

Your body needs time to adjust to a new mattress, and you need to experience how it feels through different seasons and situations. This is especially true for the AS2, since its firmer feel might be quite different from your old mattress.

The company’s 100-night trial starts when your mattress arrives at your doorstep. If you’ve ordered an adjustable bed base along with your AS2, your trial won’t begin until both items have been delivered. This ensures you get the full 100 nights to test your complete sleep setup.

Amerisleep points out that while some people love their AS2 right away, it can take up to 30 nights for your body to fully adjust to the new mattress. If you notice some minor aches or stiffness at first, don’t worry – this is often just your body adapting to proper support.

If you decide the AS2 isn’t right for you, you can return it for a complete refund. However, there’s one important condition: you need to sleep on the mattress for at least 30 nights before starting a return. This minimum trial period ensures you’ve given your body enough time to adapt to the new sleep surface.

To return the mattress within the 100-night window, just contact Amerisleep. They make it simple:

• Their Arizona-based support team will guide you through the process
• They’ll arrange free pickup of the mattress
• After the return is complete, they’ll process your full refund

This risk-free trial lets you properly test the AS2 in your own home, with your normal sleep routine, without pressure to make a quick decision. It gives you the confidence to try a new mattress knowing you can return it if it’s not the perfect fit for your sleep needs.

Mattress Sizes and Prices

When shopping for an AS2, you’ll find it comes in all standard mattress sizes to fit different room sizes and sleep needs. Remember, Amerisleep frequently offers sales and promotions that can make the AS2 even more affordable. They also offer financing options to help make the investment more manageable for your budget.

When we look at the overall market, the AS2’s pricing falls in the mid-range category. It’s more expensive than budget options like the Zoma Start but significantly more affordable than premium models like the Saatva Loom & Leaf. The AS2’s pricing reflects its high-quality materials and innovative features, including the Bio-Pur foam and cooling technology.

The mattress offers strong value considering its durability, cooling features, and pressure relief capabilities. While you can find cheaper mattresses like the Vaya Foam, they often lack the advanced features and quality materials that make the AS2 stand out.

Furthermore, Amerisleep’s 20-year warranty exceeds the typical 10-year industry standard, adding extra value to your purchase.

Remember that these prices represent the standard retail cost, and Amerisleep frequently offers sales and promotions that can make the AS2 even more affordable. They also offer financing options to help make the investment more manageable for your budget.

Customer Reviews

When you’re shopping for a mattress, reading customer reviews is incredibly important. And I say this as someone who professionally tests mattresses. Let me explain why these real-world experiences from other customers matter so much.

Think about how we typically buy a mattress: we might lie on it in a store for a few minutes, or in the case of online mattresses, make a decision based on descriptions and specifications.

But neither of these approaches tells us how the mattress will actually perform night after night, month after month, in real-life conditions. That’s where customer reviews become invaluable.

Long-term performance is something you can only learn from people who have actually lived with the mattress.

And the mattress has earned an impressive overall rating of 4.7 out of 5 stars, with 97% of customers saying they would recommend it to others. This is based on over 3,300 verified customer reviews, giving us a substantial sample size to understand user experiences.

The Most Common Praise

Many customers specifically mention how the AS2 has helped with back pain. For example, Gary from Binghamton shared that after years of waking up with painful back aches, he now wakes up pain-free.

Multiple reviewers who have had surgeries, including back and hip operations, report significant improvement in comfort and sleep quality.

Another recurring theme in the reviews is how well the mattress maintains its shape over time. Several long-term users, some having owned the mattress for 4-8 years, report that their AS2 still maintains its original form and support.

For instance, one reviewer named “Happy Camper” noted that after five years, their mattress remains as good as the day it arrived.

Furthermore, many hot sleepers praise the cooling properties of the AS2. While a few customers mention some heat retention issues, particularly in high humidity conditions, the majority report sleeping cooler than on their previous mattresses.

One customer, Max from Denver, specifically praised how the mattress stays cool throughout the night.

Areas Where Some Users Had Concerns

The most common criticism relates to the mattress being too firm for some sleepers. About 322 reviewers mentioned this as a con, particularly side sleepers who found it too firm for their comfort. However, this is often mentioned in the context of personal preference rather than a defect in the product.

On a related note, several customers mention needing an adjustment period of a few weeks to get used to the mattress. For example, Bill from Cincinnati noted some initial hip discomfort that resolved after a few nights.

And a small number of users (58 according to the review data) reported developing slight indentations or cavities over time. However, this appears to be a relatively minor concern given the total number of reviews.

Notable Customer Patterns

One interesting trend is the number of customers who purchase multiple AS2 mattresses after having a positive experience with their first one. For instance, Carolyn from Florida mentioned purchasing five mattresses for different rooms in their homes.

The mattress appears to be particularly popular among:

• Back and stomach sleepers
• People with chronic back pain
• Couples (due to excellent motion isolation)
• Heavier individuals who need extra support

The review data shows that most purchasers identify as “midrange shoppers” (2,304) followed by “budget shoppers” (543), suggesting that while the AS2 isn’t the cheapest option available, customers generally feel they’re getting good value for their investment.

Many long-term reviews (1+ years of ownership) remain positive, suggesting strong durability and sustained satisfaction. The mattress’s ability to maintain its supportive properties over time is frequently mentioned as a key benefit.

Based on the review patterns, the AS2 seems to perform best as a primary bed (3,093 mentions) rather than a guest bed (288 mentions), though it receives positive reviews in both contexts.

Mattress Care and Maintenance

Many people don’t realize that mattresses need regular care and maintenance. But your mattress works hard every night to give you a good rest, and it needs your help to keep doing its job well.

The good news is that caring for your AS2 isn’t complicated or time-consuming. With some simple habits and occasional attention, you can help your mattress stay fresh, clean, and supportive.

Protecting Your Mattress

The most important thing you can do for your AS2 mattress is to protect it from the start. Think of your mattress like a brand new car. And you wouldn’t want to drive it around without insurance, right?

A waterproof mattress protector is like insurance for your mattress. It keeps out all the things that could damage your mattress, such as:

• Spills from drinks
• Sweat from your body
• Skin cells that naturally fall off while you sleep
• Dust that floats around in the air
• Pet accidents if you have furry friends
• Food crumbs if you like to snack in bed

You’ll want to wash your mattress protector about once every two months. Use warm (not hot) water and mild detergent.

Avoid using bleach or strong cleaners that could damage the waterproof coating. Make sure it’s completely dry before putting it back on your mattress.

Regular Cleaning Routine

Just like you need to vacuum your floors regularly, your mattress needs regular cleaning too. Once a month, strip all the bedding off your mattress. This means taking off:

• The sheets
• The pillowcases
• Any blankets or comforters
• The mattress protector

Now it’s time to vacuum. Use the soft brush attachment on your vacuum cleaner – that’s the one without any spinning brushes. Imagine you’re giving your mattress a gentle massage as you vacuum. Pay special attention to:

• The seams where the top meets the sides
• Any tufted areas (the little dimples in the mattress)
• The corners where dust loves to hide
• Around any handles on the sides

Take your time with this process. A thorough vacuuming might take about 15-20 minutes for a queen-size mattress.

And every few months, your mattress could benefit from some time to breathe. After vacuuming and if the weather permits, open your windows.

Let the mattress air out for 2-3 hours, and if possible run a fan in the room to increase air circulation. This helps remove any trapped moisture and keeps your mattress smelling fresh.

Supporting Your Mattress Properly

Your AS2 needs a good foundation to do its job properly. Think of it like your feet needing good shoes for support. The right bed frame should:

• Be sturdy and not wobbly
• Have center support bars if it’s queen size or larger
• Have slats no more than 3 inches apart (if using a slatted base)
• Be the right size – no gaps between the frame and mattress

Rotating Your Mattress

Every three to six months, you should rotate your mattress. This means turning it 180 degrees, so what was at the head of your bed is now at the foot. Picture it like this: if your pillow was near your bedroom door, after rotating, your pillow will be near your bedroom window.

Why do this? Because we tend to sleep in the same spots every night. Rotating helps your mattress wear evenly, just like rotating your car’s tires helps them last longer. Mark these rotation dates on your calendar – many people choose to rotate their mattress when the seasons change as an easy way to remember.

Important note: Don’t flip your AS2 upside down! It’s designed with special layers that only work in one direction.

Handling Accidents and Spills

If something spills on your mattress, don’t panic! Here’s what to do to clean the mattress:

1. Grab clean, white cloths or paper towels right away
2. Blot the spill. Don’t rub or scrub! Imagine you’re trying to pick up the liquid with the cloth
3. Mix a small amount of gentle dish soap (about 1/4 teaspoon) with a cup of cold water
4. Dip a clean cloth in this mixture and gently dab the stain
5. Use a fresh cloth with just water to remove any soap
6. Blot with dry cloths until no more moisture comes up
7. Let the area dry completely. This might take several hours
8. Use a fan to speed up drying, but never use a hair dryer or heating pad

The Do Nots

Here’s what to avoid:

• Direct sunlight: Don’t let sun shine directly on the mattress for long periods
• Extreme temperatures: Keep your bedroom between 65-75 degrees Fahrenheit
• High humidity: Use a dehumidifier if your room feels damp
• Heat sources: Keep the mattress away from radiators and heating vents
• Undue pressure: Avoid setting heavy objects on the bed and movements such as jumping on the bed

Closing Thoughts

Well folks, there you have it! My deep dive into the AS2 mattress, where I’ve poked, prodded, and even napped in the name of science!

For back sleepers, it’s like a supportive best friend who’s always got your spine. For stomach sleepers, it’s the firm handshake your hips have been looking for. But side sleepers? Well, let’s just say it’s like trying to get cozy on a firm sofa—doable, but not ideal.

Is it perfect? Nope. But then again, what is?

And with its impressive cooling tech, motion isolation that could hide an elephant’s midnight snack run, and durability that laughs in the face of time, the AS2 is definitely worth considering if you’re in the market for a new sleep surface.

Here’s the bottom line: If you’re a back or stomach sleeper who likes their mattress on the firmer side, enjoys sleeping cool, and doesn’t want to feel their partner’s midnight dance party, the AS2 might just be your ticket to dreamland.

Have you tried the AS2 or are you thinking about getting one? I’d love to hear your thoughts! Drop a comment below about your experience or questions.

And hey, if you found this review helpful, why not share it with your friends on social media? After all, everyone deserves a good night’s sleep. Even that friend who thinks counting sheep is a legitimate form of exercise!

Final Score Tally