An extra-firm mattress makes a difference in your alignment and sleep quality. Our picks for the best extra-firm mattresses include Plank Firm, Titan Plus and others.

Kitchens also tested Plank Firm’s flippable mattress — which the brand says is the firmest on the market — and discovered that the “ultra firm” side was, in fact, the firmest memory-foam ...

Since this is a flippable hybrid mattress, there's actually a different ... Plus, Layla is one of those brands that usually runs discounts on its beds year-round. After you apply one to the ...

Brands are very intentional about which layers are put where, and the order of materials matters just as much. Imagine a hybrid mattress like the Saatva Classic – if you flip it (though please ...

The brand relies on Dunlop latex for its comfort ... a mattress that your child can use through their teen years, flippable mattresses allow your child to change their preferred firmness as ...

95 items in this article 95 items on sale! You know the drill: President’s Day means even more mattress sales than usual. Most brands are offering fairly standard discounts — in the range of ...

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 ...