Low back pain on one side after waking up is commonly due to lumbar muscle tension and fasciitis, which is usually caused by lumbar muscle pain after exertion, cold or trauma. In addition, poor rest after sleep may be due to the bed is too soft and does not play a good role in supporting the lumbar muscle, the muscle is still tense and inflammatory substances exuded during sleep can also cause increased pain. In addition, it may be related to the surrounding environment, which may be damp, cold or susceptible to cold can also aggravate the pain. One side of the lumbar muscle pain also pay attention to the presence of transverse synovial syndrome and other diseases, including gynecological inflammation, gastrointestinal inflammation, lumbar disc protrusion, arthritis, etc., generally pay attention to rest and hot compresses after muscle pain can be significantly relieved, but if there are other symptoms or pain persistently not relieved, you need to go to a regular hospital for examination, while improving the surrounding environment to avoid the bed is too soft, etc.