Is it time to replace that old mattress? Well, you’re in luck. Amerisleep’s AS2 Mattress is here and ready to restore order to your bedroom. Amerisleep has been creating quality mattresses and sleep products for close to a decade now.
Does the AS2 mattress have what it takes? Continue reading for my full review below and see if the AS2 is the right choice for you.
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How does the AS2 Compare?
The Amerisleep AS2 is perhaps the most popular (or a close second to the AS3) in the Amerisleep line. Amerisleep is known for memory foam mattresses that actually sleep cool and do a good job of avoiding the “stuck in the bed” feeling. Amerisleep has 5 models total, the others being AS1, AS3, AS4, and AS5. The AS2 (formerly known as the Revere) is the second firmest model in the line, and could work for any type of sleepers – though pure side sleepers may opt for a slightly softer model.
The Amerisleep AS2 is an all foam mattress made of three layers and totaling 12 inches in height. The mattress is meant to be the second firmest in the Amerisleep line and uses a combination of a thin memory foam layer and a poly foam transition layer to provide pressure relief without the feeling of being stuck in the mattress.
Cover – The cover for the AS2 is the same as all mattresses from the Amerisleep line. It is made of a soft blend of polyester, Celliant and spandex, creating a stretchy material that snaps back into place quickly, so you won’t have to worry about it bunching up when changing positions on the mattress.
I found the cover slightly cool to the touch thanks in part to the Celliant blended into the material. I should note that there have been some studies that show Celliant to have positive effects on muscle recovery. I don’t personally have the expertise to speak on the science behind the recovery benefits of Celliant, but you may want to do some research of your own if you are interested.
Comfort – The comfort layer of the AS2 is made of 2 inches of memory foam. Memory foam allows the sleeper to sink in for pressure relief and is known for the classic feel of contouring to the body. At times memory foam can have a reputation for trapping body heat, but Amerisleep uses a memory foam with an open cell design to defend against overheating.
Transition – Below the comfort layer is 3 inches of poly foam, creating what Amerisleep calls the Affinity Layer. This layer is convoluted (wavy design) to allow space for air to flow through the mattress for temperature regulation and cooling.
This layer is made of a pretty firm foam to provide some initial support and has a quick response to pressure, which gives the mattress some bounce. This bounce and support helps keep the sleeper from feeling stuck in the mattress as they change positions. The firmer foam used in this layer provides a transition from the soft comfort layer above to the base of the mattress below.
Base – The foundation of the mattress is a 7 inch layer of high density poly foam. This is a firm foam that provides support to the layers above as well as deep compression support to the sleeper. This layer also provides the mattress with its shape and lends some durability to the structure.
The initial feel when pressing into the AS2 is of the memory foam comfort layer, which allows me to sink in and contours to my hand a bit. When I applied more force and pressed into the mattress with both hand I went through the memory foam and began to interact with the poly foam layer beneath. This firmer layer provides a smooth transition from the soft layer of memory foam to the firm base layer at the bottom.
People will feel the firmness of a mattress differently based on different weights and body types. Instead of just giving my opinion on the overall firmness of the Amerisleep AS2 I brought in three other people to give it a try as well. This range of opinions should give you a better idea of the firmness you can expect from this mattress.
A 6.5/10 is generally considered to be medium firmness and with the AS2 responses averaging almost 8/10 on the firmness scale, you can expect this mattress to be pretty firm. I rated the mattress at a 7.5/10, and while I did feel the classic memory foam feel on top, I found the transition layer below to be pretty firm. I would say that the AS2 provides good support to keep the back aligned well and bounce to keep the sleeper from feeling stuck in the mattress when changing positions.
See how the AS2 compares to the other mattresses in the Amerisleep line.
In order to give a visual representation of where someone may feel pressure points while lying on the Amerisleep AS2, I placed a pressure map on top of the mattress and lied on my back, side, and stomach. On the image below pressure will be represented from blue (low pressure) to red (high pressure).
On my back the results show blue for low pressure across my body, which matches what I felt while on the mattress. In this position I did feel that I sunk in slightly, thanks to the memory foam, but that I definitely felt more on top of the mattress than in it. While in this position I could feel the foam layers filling in the space beneath my lower back, which is a plus for those that sleep on their back. I should also note that I didn’t feel stuck in the mattress, as can happen with memory foam, and I attribute that to the transition layer beneath the memory foam.
As I mentioned before the AS2 is designed to be the second firmest mattress in the Amerisleep line, which helps to explain the higher pressure shown on the results above. This increased pressure on a firmer mattress can cause issues for side sleepers, especially in areas like the shoulders and hips which dig into the mattress a bit more. I did feel the increase in pressure while lying on the AS2 and if you are a strict side sleeper I would recommend taking a look at one of the softer mattresses in Amerisleeps line.
Once I rolled back onto my stomach my weight was evenly distributed and the pressure map shows low pressure across my entire body. This low pressure is important at the chest, where an increase in pressure can make it harder to breath for stomach sleepers. I found that the AS2 did a good job of keeping my hips from sinking in, which is good for stomach sleepers as that will help keep the back in a better position.
If you are going to share your bed with a partner you will want to know what it will feel like when the other person gets into and out of bed or tosses and turns during the night. This next test is helpful in showing the intensity of motion that is detectable from one side of the mattress to the other.
For this test I dropped a 10 lb steel ball from heights of 4 inches, 8 inches, and 12 inches and measured the disturbance on the other side of the mattress. This should be pretty intuitive: the bigger the lines, the bigger the disturbance.
The 4 inch drop simulates a small disturbance to the bed, such as someone changing positions across the mattress, and the result shown above is a good outcome when compared to other mattresses I have put through this test. The 8 and 12 inch drops are meant to show the disturbance that would be felt when someone climbs or jumps into bed. These results are a bit higher than the 4 inch drop, as should be expected, but they are about average for foam mattresses.
To better understand how someone might sink into the AS2, I used four balls of varying sizes and densities (a 6 lb medicine ball, a 10 lb steel ball, a 50 lb medicine ball, and a 100 lb medicine ball) and placed them on the mattress to measure how much they compress the surface.
These different sizes, weights, and densities help to imitate different body parts or different sized people to show how far into a mattress you may sink.
- 6 lb medicine ball: 1 inch of sinkage.
- 10 lb steel ball: 2 inches of sinkage.
- 50 lb medicine ball: 4 inches of sinkage.
- 100 lb medicine ball: 5.5 inches of sinkage.
If you’re going to share your mattress and need to use the entire surface then edge support is something you are going to want to take a look at. While some foam mattresses struggle to live up to the edge support of traditional innerspring mattresses, I have seen good performances from other Amerisleeps in the line, so I was interested to see how the AS2 would stack up.
While lying on my back near the side of the mattress I found that the AS2 provided the same feel as near the center. As I moved right up to the side there was a slight amount of compression through the soft comfort layer but overall I didn’t feel that I affected the edge much.
When I rolled onto my side I found that the AS2 held up well even with the increased pressure in this position. When I hung off the side of the mattress there was again some compression through the top of the mattress, but nothing that shouldn’t be expected from a softer foam.
When sitting up on the side of the mattress, my weight was concentrated over a smaller area of the edge. Again the soft layers compressed a bit, but I found that the AS2 held up really well with increased weight on the side and that the mattress has great edge support.
- Sleep Trial: There is a 100 night trial period for this mattress.
- Warranty: Amerisleep offers a 20 year warranty.
- Shipping: The mattress ships free to the contiguous United States and will arrive compressed in a box.
Size and Pricing Information
Convinced the AS2 is for you? Be sure to click this link to take an extra $50 off!
Is the Amerisleep AS2 right for you?
Now that we’ve taken a look at what the AS2 has to offer, it’s time to discuss who I think it would be a good fit for.
- Back and Stomach Sleepers – The AS2 is a bit on the firmer side and I found that it did a good job of keeping my hips from sinking in while I was on my back and stomach. This is important for back and stomach sleepers as it keeps their backs aligned in a good position.
- Couples – The AS2 performed well on both the motion transfer and edge support tests. These are the two tests I reference most when trying to decide if a mattress would be good to share with a partner.
- Memory Foam Without Stuck Feeling – The 2 inches of memory foam in the comfort layer provide an initial classic memory foam feeling of sinking in a bit and contouring to the body. Following that layer is a transition layer of firm poly foam that provides some bounce to the mattress, so while there is a slight feeling of sinking into the mattress you will be able to adjust position without any added effort.
Click here to visit Amerisleep’s site for more information.
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