The amerisleep offering of high-quality memory foam mattresses come in firmness grading between 1 and 5. The amerisleep AS1 is the firmest mattress amerisleep produce, and it suits back and stomach sleepers that enjoy a firm sleeping surface.

People with spinal alignment issues or muscular disorders often choose to sleep on mattresses like futons to provide firm support. Firm beds offer less comfort to the sleeper, but they make up for this characteristic by providing excellent support.

Back and stomach sleepers spread their body weight evenly across the surface of the mattress. As a result, they don’t suffer from any pressure points, like side sleepers and combination sleepers.

The amerisleep AS1 has all the outstanding features of any mattress, regardless of the firmness grading. Amerisleep is the pioneer of bio-pur foam, an open-cell foam material that provides a cooler sleeping experience than standard memory foam beds.

The Bio-core base foam provides excellent stability and doesn’t sag over time like many other memory foam beds. The removable mattress cover makes machine-washing a breeze, and the 100-night sleep trail ensures that you get the bed you deserve – or you don’t pay.

The Amerisleep AS2 mattress offers medium-firm support. The bed rates as “2” on the Amerisleep firmness scale. The mattress suits back and stomach sleepers that require a firm sleeping surface to maintain optimal spinal alignment.

There isn’t much difference between medium-firm and medium in the AS2 and AS3 models in terms of benefitting spinal alignment while sleeping. It’s more about your preference between a soft or a firm surface.

We find that most back sleepers and stomach sleepers prefer the medium-firm mattress because it doesn’t feel like your “sinking” into the bed, but rather, the pillow top provides comfort, without that feeling of being bogged-down when trying to get out of bed.

This mattress still contains all the standard features you would expect to find in a premium quality mattress on offer from amerisleep. The bed features their proprietary “Bio-Pur” foam that allows for enhanced airflow through the bed, keeping you cool when sleeping.

The comfort cover unzips, and its machine washable. The specialized construction and materials used in the hypoallergenic cover wick away moisture, keeping you dry.

The amerisleep AS4 is a fantastic mattress for side sleepers. One of the biggest issuers with sleeping on your side is the pressure on your hips and shoulder. The AS4 from amerisleep allows you to “sink” into the bed, relieving stress by spreading it out over the surface area of the mattress. The soft ergonomic transition foam absorbs all movement and pressure from the top memory foam layers.

The AS4 also includes the same open-cell memory foam technology that enhances airflow through the mattress layers, keeping you cool while you sleep. The Bio-Pur foam in the top layer of the mattress offers up to 5-times more airflow than traditional memory foam, and the “surface modification technology,” gives you the feeling of floating while you sleep.

The high-performance Celliant® cover features thermoreactive yarn that’s breathable and wicks away moisture while efficiently dispersing body heat – and its machine washable. Unzip the cover in seconds and fit it after cleaning in a matter of minutes. Amerisleep claims that they use 13 minerals in the manufacture of the cover that has thermoreactive properties, helping it disperse body heat faster.

The AS4 from amerisleep is ideal for side sleepers that live in any climate; it keeps you cool on warm summer nights while containing heat during the wintertime.

If you enjoy the sensation of sleeping on a cloud, then the amerisleep AS5 is you go-to mattress. The super-soft layers of memory foam are over a foot deep, with the plush HIVE comfort layers providing a responsive, but luxuriously soft sleeping surface.

If you find that you sleep “hot”, then you’ll love the Bio-Pur technology in amerisleep mattresses. This open-cell foam allows air to move through the layer, dispersing body heat. The thermoreactive materials used in the manufacture of the Celliant® cover enables excellent airflow through the mattress layers, while turning your body heat into infrared energy, allowing it to disperse through the cover.

The difference in softness between the AS5 and AS1 amerisleep mattress is quite profound, and it you enjoy a soft bed, then you’ll find it challenging to find a softer model. This mattress suits side and combination sleepers that enjoy that feeling of “sinking” into the bed.