Our writers and editors are constantly testing mattresses you can buy online, and here, we’ve listed the best firm mattresses we’ve tried. Our reviews are based on at least a week’s worth of ...

Koala is one of the first, and perhaps most well known mattress-in-a-box brands in Australia. Of course, it now sells all ...

With its adjustable firmness settings ... so you won't feel your partner tossing and turning. Dr. Lees says firm latex mattresses are among the firmest available, followed by extra firm innerspring ...

In this review, we compare Sleep Number to Tempur-Pedic to see which mattress offers the most benefits for specific sleep ...

To highlight the firmest mattresses, we pored over our most highly rated models ... We also assessed brand comfort ratings for each mattress type (innerspring, foam, and adjustable air). These are ...

Indicates how firm a mattress is on our scale from 1 to 10, where 1 is very soft and 10 is very firm. Adjustable bed frames will allow the head and foot sections to be raised and lowered ...

A certified sleep science coach and mattress expert, JD has been reviewing online mattresses professionally for the past five years. During that time, he's tested well over 150 beds and dedicated ...

Extra firm mattresses provide unparalleled lumbar support and lower back pain relief. One of the top-performing beds within ...

This medium-firm hybrid mattress features a quilted ... This mattress also comes with a 120-night trial and a 10-year warranty. Adjustable beds like this Refresh Mattress allow you to manage ...

A certified sleep science coach and mattress expert, JD has been reviewing online mattresses professionally for the past five years. During that time, he's tested well over 150 beds and dedicated ...

Because we use a consistent scale, you can compare the firmness level of all the mattresses in our ratings and make an informed buying decision. For example, the Serta iComfort Hybrid Firm ...