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.

With a medium feel and a supportive, hybrid design, this mattress is perfect for side sleepers. Shop on Helix Sleep Pros: ...

Our comfort ratings are based on members' average comfort rating for their mattress brand and type on a scale from excellent to very poor. Brand owner satisfaction is based on members' average ...

To find the best king-size mattresses, we tested over a 100 beds. But there are more top-notch picks to consider, from memory foam and organic options to hybrids that offer softness and support.

This mattress is also just 18 inches high, as opposed to the 20 inches of the King Koil, which was the primary reason it didn ...

In the aughts, a red-caped magician called Bill Bradley forwent the usual on-stage, pull-a-rabbit-out-of-a-hat trick and instead opted to stuff a king ... have put the top-rated mattresses to ...