Won't you sleep on the pillow?
Pillows vary! The best pillow is the pillow that fits you!In supine sleep, the height of the pillow is between 5 and 8 centimeters; when sleeping on the side, depending on the width of each person's shoulder, the female pillow is between 7 and 12 centimeters high and the male pillow is between 11 and 14 centimeters high. 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.
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.
Sleeping without a pillow, the head and neck in hyperextension, easily lead to the increase of cervical lordosis curvature, anterior muscle and anterior longitudinal ligament due to excessive tension and fatigue, even can cause chronic spinal injury; at the same time, the rear of the yellow ligament is projecting forward into the spinal canal, increased pressure from the rear this extension, the canal is elongated and the volume is small, the spinal cord and nerve root is relatively shorter, the spinal canal volume is saturated, if the cervical intervertebral disc nucleus pulposus or osteophyte formation, there is compression of spinal cord or nerve root symptoms.
The pillow is the main bedding to maintain the normal position of head and neck during sleep, can maintain the normal physiological curvature of cervical spine. This physiological curvature not only ensures the balance of the external muscles of the cervical spine, but also is important for maintaining the physiological anatomy of the spinal canal.
No profit. Because this can cause blood circulation to suffocate, humans are the only creatures that can sleep in the air. Animals sleep without touching their heads, so humans must protect their heads.
