The lumbar pain after sleeping for a long time: 1, may be because the lumbar spine itself exists lesions, such as there is lumbar spinal stenosis, lumbar disc herniation or tumor of the lumbar spinal canal, etc., will cause the pain to increase significantly after sleeping for a long time. 2, may be caused by degenerative lesions of the lumbar spine, such as ligament hypertrophy and osteophytes around the lumbar spine, lying for a long time will also cause the pain symptoms of the lumbar area to increase. 3, more Commonly caused by lumbar muscle strain, due to high-intensity physical labor, long-term fatigue, causing spasm of the lumbar muscle, elasticity decline, resulting in lumbar muscle strain. After sleeping for a long time due to poor blood circulation caused by the recurrence of old injuries, or lumbar soft tissue strain more aggravated, resulting in the symptoms of lumbar pain after sleeping for a long time. Therefore, if you have back pain after sleeping for a long time, after conservative treatment within a short period of time without any relief, you must go to a regular hospital in a timely manner, improve the necessary relevant examination, and choose a reasonable treatment method after clarifying the cause, so as not to delay the condition.