Adult pillow height is usually about 10~15 centimeters appropriate, but the exact height depends on the individual. Pillow as a neck support, play a very important role in human sleep. Adults suitable pillow height is generally 10 ~ 15cm or so, but the specific reference to the individual situation, such as broad shoulders and fat people can choose a higher, thin and weak choose a lower. General habit of sleeping on the back of the crowd, pillow height for the height of a personal fist, side sleeping about the height of a shoulder width. In any case, the pillow can maintain the normal physiological curvature of the cervical spine is appropriate. Pillow height and sleep quality has a great relationship, if there is neck pain, dizziness, insomnia, etc., may be too high pillow.