Does the Purple® Pillow support any sleep position? The Purple® Pillow supports all sleepers but is often preferred by back and stomach sleepers. Learn more HERE. Related articles Can you adjust the height of the Purple® Pillow? What is Purple's Pillow Warranty Policy? What is the best process to air out the Purple Pillow? What size of pillows do you offer? Do you only offer one pillow size? Do Any Of Your Pillows Come With Pillowcases?