After sleeping back pain can be caused by the following reasons: first, lumbar muscle strain, lumbar muscle strain patients can have back pain after sleeping, after a short period of activity can be improved, this time to the early examination and examination, to exclude other diseases to diagnose. Second, lumbar back myofasciitis, lumbar back myofasciitis patients can also have the symptoms of lumbar pain after waking up, after a short period of activity can be improved, in the cold, after the exertion of lumbar pain can also be aggravated, then to early physical examination, early physical therapy and oral medication. Third, ankylosing spondylitis, ankylosing spondylitis can have back pain after sleep or in the morning, can be accompanied by morning stiffness, can also involve the entire spine, then we should check the lumbar spine X-rays, CT and blood tests to diagnose. Fourth, rheumatoid spondylitis, this disease can have back pain in the morning or after waking up, and can be accompanied by stiffness, which should be diagnosed by early blood tests and X-rays and MRI of the lumbar spine.