Joint pain makes the quality of sleep greatly reduced, especially shoulder and neck pain is the invisible killer that affects the quality of sleep; physical therapists emphasize that to avoid joint aging or pain, it is very important to maintain the correct sleeping position, and it is recommended that the public can make use of simple rehab movements or adjust the height of pillows to protect the joints to reduce the pressure of pain, so that the body can get enough rest to achieve the joints and prevent aging purposes. Whether or not you have the correct sleeping position, not only affects the quality of sleep is an important key, but also away from shoulder and neck pain is not a rule. But why does a bad sleeping posture aggravate or even cause shoulder and neck pain? This is mainly related to the cervical spine does not get proper support for a long time when the human body is asleep. Lying on the back, sleeping on the side is very different: how to determine whether the cervical spine is properly supported, based on lying on the back, sleeping on the side and other differences in sleeping positions, there are also very different in the judgment. Lying on your back, because the human face up when lying down, the cervical spine will naturally show a forward curvature, if the neck muscles (cervical spine), occipital bone (skull near the end of the cervical vertebrae) have pillow support, not in a state of suspension, it means that the sleeping position is correct, is not easy to shoulder and neck joints to produce injuries. On the contrary, it is easy for the neck muscles to be in an unsupported condition, unable to get proper rest, resulting in muscle strain and neck pain and other discomfort. As for the side sleeping position is very different from lying on the back, not the head but the shoulder joints directly touch the bed, if you do not change the posture for a long time, the shoulder joints in the case of continued compression, there will be wear and tear of the humerus, shoulder joint degeneration and other problems, resulting in soreness, pain and numbness and other symptoms, and may even affect the daily life of the serious. Choose the right pillow does not ache: In order to avoid shoulder and neck joints, neck muscles are hurt during sleep, resulting in soreness and other discomforts, may wish to personal sleeping habits, sleeping posture preferences, select the appropriate pillow to support the neck, so that the cervical spine, shoulder and neck muscle groups get a complete relaxation of a good night’s sleep. Lie on your back: the pillow should not be too high, too fluffy, lie down with the pillow surface should be close to the neck, pillow and shoulder line flush, so that the cervical spine has complete support, in order to truly relax the neck muscles. Lying on the side: In order to slow down the impact of the cervical spine and shoulder joints, it is appropriate to choose a pillow with a slightly higher height and a softer type, so as to avoid the shoulder joints being directly pressed against the bed surface, which is more appropriate.