bedMATCH - Take the guesswork out of mattress shopping. bedMATCH is a patented diagnostic system that matches you with the mattress best suited for your body type and sleeping position. Using 18 statistical measurements, over 1,000 scientific calculations and the information you provide about your sleep preferences, bedMATCH identifies the optimal postural support and pressure relief for your body. When your mattress provides optimal postural support based on your body type and sleeping position, your body stays properly aligned and supported during sleep.