The most common causes of back pain while sleeping are poor sleeping posture, back fasciitis, degenerative diseases, pancreatic diseases, etc. If the symptoms persist, it is advisable to seek medical attention. 1. Bad sleeping posture: if the patient sleeps in a position for a long time, it is easy to cause back compression, which in turn causes pain, and usually can be relieved after changing positions. 2. Dorsal fasciitis: all related to the patient’s back for a long time weight bearing, caused by the back of the aseptic inflammation, sleep if not covered by the quilt and then by the cold stimulation, will produce back pain. 3. Degenerative diseases: such as lumbar disc herniation, osteoarthritis and other diseases, can cause back pain while sleeping. 4. Pancreatic diseases: If the patient has acute inflammation of the pancreas, it is also easy to cause radiating pain, which in turn induces back pain. Causes of back pain while sleeping are many, and may also be related to tumors, ankylosing spondylitis, osteoporosis and other diseases, if the pain persists, it is recommended to consult a doctor in time to identify the cause of the disease, and targeted treatment by the doctor.