Featuring soft, contouring support, the AS3 will give you remarkable pressure relief.

Profile height: 30cm Feel: Medium Soft
$3499 $3399 with promo
Save $100.00
Due to high demand, all sizes may take up to 3-4 weeks to ship

what a great thing

A vey supportive mattress for my severe back problems; I now get a most restful sleep and a longer one


from pottstown pa

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Improved Sleep

I purchased the AS3 earlier this summer and my sleep has improved dramatically since.


from Michigan

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All featured customer reviews are unaltered and verified by PowerReviews (view disclaimer).

No mattress is more carefully engineered.
High-Performance Celliant® Cover

Celliant® is an advanced fabric made with 13 thermoreactive minerals that helps improve the performance of the mattress.

Extra-Breathable cooling layer

Our Bio-Pur™ foam is five times more breathable than traditional memory foam, because of it’s advanced open-cell structure. It wicks away heat while you sleep and can help keep you cool and comfortable.

"Feels-like-you're-floating" layer

The affinity transition layer is soft and responsive. It reacts to your body position to evenly support your weight and can help relieve pressure points, so it feels as if you’re weightlessly resting on a cloud.

Sag-free & Eco-friendly Support

Our Bio-Core™ foam support layer won't sag even after decades of use. And, like our Bio-Pur™ foam, it’s partially made from plants instead of petroleum so it’s eco-friendly.

Tested to get you more sleep.

Amerisleep mattresses are expertly designed to help you get more sleep — guaranteed. Our mattresses are built with performance in mind down to the last detail. That even includes the cover, which is a critical part of a mattress because it's the layer closest to your body when you sleep.

Amerisleep is officially licensed to use Celliant® in our covers. This advanced fabric combines 13 minerals into thermoreactive yarn that converts body heat into infrared.

We created a superior memory foam that helps keep you cool.

Traditional memory foam is made from dense material, so it traps your body heat and can make you sweaty and uncomfortable while you’re in bed — and who can sleep like that?

We developed our foam with an enhanced "open cell structure," which means there is more air space between the foam particles. That space wicks away heat while you sleep, and can keep you cooler and more comfortable. Remember, you have 100 nights to try it for yourself - if you don't love it, give us a call and we'll pick up the mattress and refund you completely!

On top of that, our foam is also the most environmentally friendly. Our patented foam-making process uses plants to replace some petroleum, and is the only manufacturing method that exceeds the standards of the Clean Air Act.

More comfort. Less “stuck”.

Our foam is also better than traditional memory foam because it recovers its shape faster. With a typical foam mattress, you often wind up “stuck” when you change positions but the mattress is still holding your previous shape. That’s because it takes around 60 seconds for the foam to bounce back.

Ours bounces back in just four seconds, so as you move at night your mattress keeps up with you, providing superior comfort.


Wonderful nights sleep

Was skeptic but glad I purchased :)


from Harford MD

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what a great bed !!!

This company was easy to work with and delivered everything they promised and more. Unusual these days thanks amerisleep


from weare nh

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All featured customer reviews are unaltered and verified by PowerReviews (view disclaimer).

Use it on any frame you want (even none!)
Directly on the floor

No furniture, no problem. You can put your Amerisleep mattress directly on the floor.

Box Spring

If you want to use your existing box spring, place a piece of 3/4” moisture resistant plywood directly on top.

Flat or slatted frame

A flat platform will work perfectly, so long as the gaps between the slats are no more than three inches apart.

Adjustable Base

Adding an adjustable base can elevate your comfort, allowing you to read or watch tv in bed.

What would you do with more energy
and less pain?

Imagine waking up each morning with no pain and increased energy. How would that change the way you approach your day? Would you finally be able exercise regularly? Would you be able to perform better at work instead of constantly feeling groggy and needing another cup of coffee?

Sleep quality is so important because we spend about a third of our lives in bed!

That means, besides our jobs and our families, our sleep probably has the biggest impact in our quality of life. The number of daily problems that go away with a good night’s sleep is astounding — but that only happens if you actually do something to improve your sleep.

If you just keep things the same, you’ll keep getting the same disappointing results. And don’t you deseve better?


Love the Bed!


from La Crescent MN

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Very comfortable


from Columbia SC

About Me Midrange Shopper


Well worth the money


from Tampa

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I am sleeping again!!


from tampa florida

About Me Midrange Shopper

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Yes I Love it!

I'm usually a budget shopper but there are some things you cant skimp on. I have had neck back and shoulder problems for years. I knew I needed a good mattress. I read so many reviews of this mattress/company and people saying they had less pain. I 100% agree! I feel so much better when I wake up. Makes getting out of bed harder for myou husband he's been sleeping longer!


from Kansas

About Me Midrange Shopper

All featured customer reviews are unaltered and verified by PowerReviews (view disclaimer).

We use more eco-friendly memory foams.
Yet another way we’re better.

Amerisleep is one of the most eco-friendly mattress companies. From the way we make our foam all the way through how it arrives at your door, we work hard to use processes that are sustainable — literally from start to finish.

First, our patented Variable Pressure Foaming (VPF) process allows us to use plant-based materials to replace some petroleum, so it's better for the environment. It also reclaims and recycles any waste, so there is no air pollution. It's the only process for making foam that meets the Clean Air Act's standards.

Once we've made your mattress, we pack it up in a box made from post-consumer materials before shipping it to your door. Being more eco-friendly is just one more thing that makes our mattresses different than our competitors.


Zero emissions


Fast, Easy & Free Shipping

Your mattress ships to you compressed in an eco-friendly box small enough that we can use FedEx. That means it gets to you quickly, usually within a week of your purchase!


Bought AS3 Love it.

I love the AS3 Bed.


from Fenton, Missouri

About Me Midrange Shopper


Best sleep in years!

After 12 years on our old mattress, we splurged in Amerisleep and am so glad we did. Back and neck pain gone!


from Annapolis, MD

About Me Midrange Shopper

All featured customer reviews are unaltered and verified by PowerReviews (view disclaimer).

See what our customers have to say -
don't you wish you slept this good?

All featured customer reviews are unaltered and verified by PowerReviews (view disclaimer).

Fantastic Product


We had been gone to the hospital and rehab facilities for four and a half months. I knew our old mattress was not comfortable anymore, and researched online for a memory foam mattress. Amerisleep had great reviews and I took a chance and ordered the California King. It arrived promptly on time just in time for me to get it set up before wed came home. We used it the first night home, and slept like babies. A month and a half later and it is still the perfect mattress. We would highly recommend to anyone who asks.

Fort Collins, CO


I am very happy with this bed.


I have found this bed to be incredible. I'm really glad I bought it; I was having trouble with my sleep. at this time I have no problems, it cradles me and I get a good night's rest, which I'm very glad.

Columbus Ohio

Best sleep I have ever had!


Best bed I have purchased yet! I purchased the AS3 3 months ago due to the description of it being best for all sleepers. The AS3 is for medium firmness, although I wish I could could have tried out the AS4 that is medium soft firmness to verify what softness I truly wanted. I feel that the AS3 has a wonderful contour to your body, not too soft, which allows support. I sleep in many different positions, including stomach and have had no concerns yet. My husband has had back surgery and continues with many back concerns, he has been waking up every morning with no back pain since our purchase. Once you have slept on an Amerisleep and go back to sleep just one night on a regular mattress, you will see the huge difference!

Waterloo, Iowa


Good mattress for the price


Love the low motion with movement



Would definitely purchase again


We bought a king size and really love it. Very comfortable and also cool to sleep on.

Washington DC


I was skeptical.....


My husband and I decided we needed to upgrade our mattress, and in looking for the best deal came across Amerisleep. I was very skeptical at first because even though we're seasoned online shoppers, it seemed odd to buy a mattress online sight unseen!! After reading many reviews and fine print, we figured we couldn't go wrong with giving it a try and I'm so glad we did! This is the best mattress we've ever owned. It's very supportive without being overly soft, and isn't lumpy or get divets in it like other mattresses. My husband and I sleep in different positions and this mattress is great for both of us. We highly recommend giving it a try, you won't regret it!

Triad, NC




best mattress under $2000



The Amerisleep is the best mattress I have ever owned


I have owned and slept on many different mattresses, both conventional and memory foam. The Amerisleep AS3 is by far the most comfortable. I hope that it continues to be as comfortable as it is now for years to come.

Austin, TX


I cant wait to get in bed every night!!


I love this mattress!! I have been sleeping on the A3 mattress for 2 months now and i look forward to getting in bed every night. I have always had a problem with mattresses sagging in the middle and simply just become so uncomfortable after just a year or 2. I am so happy this was my first mattress that i tried when i knew my old one was just too uncomfortable to sleep on anymore and it was a sleep number. Love love love.

Greencastle, IN


I love my mattress.


I was having trouble with neck and back pain. The mattress has helped a lot.

Bay City, Mi


Queen Medium Soft Memory Foam Mattress by Amerisleep - AS3 12" x 60" x 80"

4.7 4894



All featured customer reviews are unaltered and verified by PowerReviews. The comments made by customers are not intended as advertisements, and should be understood as the perspective of each individual based on their experience. These reviews should not be construed to mean that these experiences are universal or that results will always be the same.