Perfect pillow for every type of sleeper. Uniquely designed with a lateral recess along the entire length of the pillow and a center tunnel for alternative arm positions. Provides support for your arm, head and neck, reducing shoulder discomfort, numbness and tingling. Aligns your neck and spine properly, keeping your airways open, reducing snoring and sleep apnea. Proper spinal alignment prevents morning stiffness. Developed with your comfort in mind, a very soft velour zippered machine washable cover. Decreases morning stiffness and shoulder pain.