Sleeping back pain to get up without pain may be improper sleeping posture, overwork and other physiological factors, or consider ankylosing spondylitis, fasciitis and other diseases. 1. Physiological factors: pillow too high, too low, as well as too hard bed, sleep for a long time in a position, overwork, may lead to back pain, in the activities can reduce the symptoms, back pain after sleeping to get up without pain. 2. Ankylosing spondylitis: the cause of the disease is not yet clear, may be genetic, infection, environment, immune deficiency and other factors. Patients may have low back pain, dull pain in the lumbosacral region or back, accompanied by morning stiffness, pain in the morning or after sitting for a long time, mostly in the activities to reduce, manifested as sleeping back pain get up without pain. 3. Fasciitis: Fasciitis may be caused by long-term muscle strain, minor trauma, exertion, moisture and other factors. Patients can appear affected muscle tension, spasm, pain and discomfort, numbness and other symptoms, can be in the morning, weather changes, pain aggravation, light activities to reduce pain, patients will appear to sleep back pain get up without pain. The cause of sleeping back pain get up without pain more reasons, it is recommended to identify the cause of the disease in a timely manner, under the guidance of the doctor standardized treatment.