Sleeping on your backand side is stress-free. Fit the cervical vertebrae to meet a variety of sleepingpositions how to sleep comfortably spine does notscoliosis side sleep does not pressure shoulder Conforms to the curvesof the head and neck for acomfortable night's sleep. Ergonomic height design Slow rebound memoryfoam filling is moresupportive than regular pillows Space Memory FoamWhen the pillow is impacted by pressure, the pressure willbe evenly dispersed, and the pressure will be released toslowly restore the original shape. - Havendro Ergonomic Memory Foam Pillow for Neck Pain Relief in White