The Plank Firm Mattress is a dual-sided bed that offers a firm and an extra firm surface ... 30% on every size of the Plank Firm, reducing a queen to $932.40 (was $1,332). It's an enticing ...

An extra-firm mattress is a great option for stomach and back sleepers. Check out the best ones on the market, tested and reviewed by our sleep experts. McKenzie, a Certified Sleep Science Coach ...

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

If your mattress is feeling a little too firm or ... $100 for a queen size, and can definitely improve a mattress, but are often made with lower-quality materials and lack extra features like ...