There are several reasons for sleeping at night with back pain: 1, fatigue during the day, some white-collar workers spend a long time playing with cell phones with their heads down, or sitting in front of the computer in office, long-term neck and shoulders straightened in one position, which can easily lead to pain, vagus nerve excitement at night when sleeping, will feel the pain significantly aggravated; 2, may also sleep at night when the local cold leads to muscle spasm, or because of the incorrect sleeping posture 3, for some patients with small joint disorders, sleeping in a fixed position for a long time without turning over can easily lead to fatigue of small joints and produce aseptic inflammation; 4, spinal metastatic tumors, cardiovascular system or digestive system diseases cause shoulder and back pain, in rare cases, back pain should exclude vertebral metastatic tumors, stones and infections in the biliary tract part Patients can also radiate to the shoulder causing pain.