Sleeping without pillows can teach the hunchback?
The length of the single pillow with over your shoulder width 15 cm, height to compressed with their own boxing high (make a fist to the height of the upward for boxing high) should be equal. On the surface of the pillow, the part that supports the neck and the back (neck) should be cylindrical and of definite hardness to fit and support the neck. The part supporting the back of the head should be 3-5 centimeters lower than the above part so that it can support the head as well as the height of the neck. The content of the pillow is also important, should be selected according to personal circumstances. Such as kapok pillow comfortable and soft, moderate hardness of buckwheat skin pillow.
In order to buffer and reduce the shock when walking, jumping, to protect the brain of the human cervical vertebrae 7 not only vertical stacking, but to form a sleek, in front of the arc, which is called the cervical physiological curvature, the pillow effect is to maintain the physiological curvature.
Sleeping without pillow is not good for the cervical vertebra. The pillow is the role of the head and spine to maintain a balance, so that it will not make cervical compression; in supine sleep, the height of the pillow for 5 to 8 cm; in lateral sleep, according to each person's shoulder width, female pillow height from 7 to 12 cm, the height of the pillow in the male 11 to 14 cm. Suitable pillow height can be maintained in sleep, the cervical vertebra will not be unwell because of the height of discomfort, but not all people will sleep in the same sleeping position, often lie on the back and side alternate. Therefore, when choosing a pillow, the pillow height is between 8 and 10 centimeters, and the male pillow can be increased by 2 centimeters.