Sleeping how to put the neck is uncomfortable causes, including cervical spondylosis, tension in the neck muscles and unsuitable pillows, as follows: First, cervical spondylosis can lead to cervical disc protrusion or hyperplasia of the bone, ligament thickening, can stimulate or compress the nerve roots of the cervical segment, spinal cord, vertebral artery and sympathetic nerves in the neck, can cause the above discomfort symptoms. Second, the muscles of the neck, such as the erector spinae, trapezius, cervicalis brevis, scapularis, sternocleidomastoid, etc., if due to cold or long-term chronic strain leads to muscle aseptic inflammation, can lead to muscle stiffness, spasm, etc., will appear neck discomfort. Third, if the pillow is not suitable, such as height, hardness, etc., will make sleep uncomfortable, which is to relieve the way to do from the daily bad habits, try to reduce the long time low head, long time to the computer, cell phone, long time ambulatory work, sleep pillow can not be too high, too soft. Local physiotherapy, massage, massage, and even oral medication to relieve muscle spasms such as ethylparisone hydrochloride to reduce muscle spasms and improve sleep comfort.