There are several causes of back pain when sleeping: 1, lumbar dorsal myofasciitis, lumbar dorsal myofasciitis can appear in the morning when the back pain, wake up after the symptoms of back pain. This is to be diagnosed by early physical examination and examination to exclude other diseases. 2, lumbar muscle strain, when long-term muscle strain or work with the lumbar muscles, there can be chronic muscle damage and lead to lumbar muscle strain, then there can be lumbar pain, early physical examination to diagnose. 3, rheumatic and rheumatoid diseases, when rheumatoid involvement of the spine can also appear in the morning when the symptoms of lumbar pain, then to take early 4, ankylosing spondylitis, ankylosing spondylitis can also appear to sleep with symptoms of back pain, can be accompanied by morning stiffness and pain in the sacroiliac joints, when the blood test and examination of the spine X-ray, MRI for early diagnosis and treatment.