Sleeping back pain, generally have the following reasons: First, lumbar muscle strain: lumbar spine on both sides of the lumbar large muscle distribution, when long-term chronic muscle strain, such as long-term bending or sedentary, there will be a chronic lumbar muscle strain, which will be in the night time when sleeping back pain. Second, lumbar back myofasciitis: myofascia is a layer of fascia covering the surface of the muscle, when cold or strain will occur when the fascia of the aseptic inflammation, but also in the sleep of the back pain is very serious. Third, lumbar spondylolisthesis: lumbar spondylolisthesis is common in congenital lumbar spondylolisthesis, isthmus cleft, there will be two lumbar vertebrae between the misalignment, in a certain position during sleep or turn over when back pain is very serious.