Shopping for a new mattress can feel so personal, as your sleeping position, body composition, and preferences for traits like cooling or bounciness all affect which mattress is right for you. That doesn't mean mattress shopping is a shot in the dark. We've tested over 40 mattresses on a standardized test bench so you can compare how they feel and perform with data. We've taken into account how mattresses perform for cooling, motion dissipation, and edge support. Here, we'll recommend the best mattresses for most people with options for different sleeping positions and some picks for people with different priorities as well.