If you ever wake up with back pain, joint stiffness, muscle tension or just generally feeling unrested, you could open up a new world of deep and restful sleep with the 3 keys of MPP: Mattress, Pillow, Position.

Here’s a handy guide that can help. Click to learn more about different types of mattresses and pillows, as well as how to best accomodate your sleeping position and any health conditions.