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What is the Amerisleep AS3 Firmness?

Derek Hales

Published

The Amerisleep AS3 has a firmness of 5 out of 10 (where 10 is the most firm), a medium feel.

Firmness Chart 5

This would include the AS3 all-foam mattress as well as the AS3 Hybrid (foam + coils). A medium firmness is a suitable firmness for a wide range of sleepers.

It is firm enough to provide support and avoid excess sinkage, while being soft enough for good pressure relief and hug / contour.

AS3 All-Foam

Amerisleep As3 Foam Sinkage Test
Amerisleep AS3 Foam sinkage test

AS3 Hybrid

Amerisleep As3 Hybrid Sinkage Test
Amerisleep AS3 Hybrid sinkage test

That being said, heavier sleepers or those who sleep on their back or stomach may find this firmness to be too soft.

Not sure which firmness is right for you? Check out our chart below which lists our recommended firmness range for different sleeper profiles.

What Firmness Is Right For You

About Derek Hales

Derek Hales

Derek Hales is the Founder and Editor-in-Chief of NapLab. His insights and work has been featured on ABC's Tamron Hall Show, Freakonomics, CBS News, ESPN, Reader's Digest, Homes & Gardens, New York Post, CNET, & More. Derek has personally tested 440+ mattresses and began testing mattresses in 2014.

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