The lack of “sink” in a firm mattress can provide better spinal and hip support for those who sleep on their back or stomach. Side sleepers, meanwhile, may feel that a super-firm mattress ...

One five-star review wrote, “We are so happy we made the choice to buy this mattress. Very firm as we excepted. Excellent quality. Super fast delivery. Five star for everything!” Another said ...

a double-sided mattress that's firm one way and super firm the other. There's currently 30% off the Plank Firm in the holiday sale, which is the biggest discount we expect to see on this bed over ...

Quick summary The Saatva Classic is the best mattress we've tested so far. It's our top firm mattress recommendation for most sleepers due to its blend of effective pressure relief, superb levels ...

The Stearns & Foster Ultra Firm Estate is our pick for the best firm mattress that won't sag. Most modern mattresses are designed to perform properly, without sagging, for up to ten years.

Very shoppers can save up to £350 with its Black Friday sale, which has been extended to Cyber Monday, meaning the mattress ...

With 5+ years of mattress testing experience, we use our different sleeping position and body type perspectives to offer well-rounded, honest reviews.

While the best firm mattresses remain a popular choice for back pain sufferers, heavier bodies, and back sleepers who crave ...