Sleeping back pain may be due to physiological reasons such as prolonged compression of back muscles or heavy physical labor, but also due to pathological reasons such as cervical spondylosis, pneumonia, myofasciitis and other diseases. 1. Physiological reasons: due to sleeping in the same position for a long time, so that the back muscles for a long time pressure, or due to carrying goods and other overwork, local lactic acid buildup, etc., there will be a sleep back pain phenomenon. Generally, it can be gradually relieved after resting. 2. Pathological causes (1) Cervical spondylosis: due to cervical intervertebral disc degeneration and herniation, the nerve roots innervating the upper limbs are irritated or compressed, which radiates pain and numbness in the shoulders and upper limbs, and back pain can also occur. (2) Pneumonia: due to the inflammatory reaction of the dorsal lungs, the pleura of the back is stimulated, so the phenomenon of back pain after a sleep will occur. (3) Myofasciitis: Due to trauma to the muscles of the back, cold, etc., which causes aseptic inflammation of the muscles and tendons, back pain after a nap can occur. In addition to the above reasons, heart disease, back muscle strain, tumor metastasis and other reasons may appear after sleeping back pain phenomenon, if rest does not relieve, it is recommended to go to the hospital in a timely manner to improve the relevant examination, clear the cause of the disease, and then comply with the doctor’s instructions for targeted treatment, so as not to delay the condition.