Getting up in the morning with buttock pain may be related to sleeping posture, mattress discomfort and lumbar spine disease. 1. Sleeping position, mattress discomfort: in the sleep process for a long time to maintain lying position or mattress is too hard, due to the buttocks for a long time pressure can lead to tissue blood circulation obstacles, resulting in ischemic pain, so that get up in the morning buttock pain. 2. Lumbar spine disease: when patients have lumbar disc herniation, lumbar spinal stenosis, lumbar spine slipped and other basic diseases, the sciatic nerve pressure can lead to pain in the buttocks and other symptoms, and in serious cases, it can also be accompanied by numbness and other sensory abnormalities, and the discomfort of the position at night can exacerbate the condition, resulting in pain in the buttocks when getting up in the morning. Only with the symptoms of buttock pain in the morning can not accurately determine the cause, but also need to be combined with the characteristics of the medical history, other test results in order to make an accurate judgment, it is recommended to clarify the cause of the disease under the guidance of a doctor.