Temperature-sensitive material, originally developed for NASA, molds itself to exact body shape to evenly distribute head and neck. Relieve stress, aches, and pains with the Science of Sleep Ache-No-More Memory Foam Pillow! It helps cradle the neck and head in a position that will relieve pent-up stress and possible inflammation in all the upper body. It is designed to reduce head and neck pain with a firm cervical upport that correctly aligns your spine while keeping your neck muscles relaxed and your head comfortably supported. Its unique design alleviates discomfort from cervical disks, arthritis, whiplash, cramps, and spasms. Made with memory foam for custom therapeutic support and comfort.