This best mattress for side sleepers is available in plush soft, luxury firm and firm options, and twin, twin XL, full, queen, king, California king, split king and California split king sizes.

Courtesy Laura Williams Bustos, MS, ACSM EP-C Side-lying quad stretch Lie on your right side on a mat, your legs extended, your left leg stacked on top of your right leg. Use your right hand to “prop ...