SLEEPSIA CERVICAL PILLOW FOR NECK PAIN. It provides Support for Back, Stomach, Side Sleepers. Unique butterfly design of this cervical neck pillow provides space to rest your head. When you move around while sleeping, there is constant support to your cervical spine, decreasing stress from your neck. Our breathable, CertiPUR-US Certified Orthopedic Memory Foam pillow for neck pain is widely demanded.