The common causes of hip pain after waking up are hard mattress, acute lumbar disc herniation or lumbar spinal stenosis, as follows: First, hard mattress: during sleep, the buttock muscles are under constant pressure, resulting in obstruction of blood flow, which produces symptoms of soreness and pain in the buttocks when waking up, and the symptoms will be gradually relieved through massage and physical therapy. Second, there are acute lumbar disc herniation attack or lumbar spinal stenosis: these two conditions can make the nerve edema, easy to appear in the morning when the buttock radiating pain symptoms. Compression of one side of the nerve can cause pain in the buttocks on the same side, while simultaneous compression of bilateral nerve roots will cause pain symptoms in both buttocks at the same time. The site of the lesion and the degree of compression can be confirmed by CT scan or lumbar spine MRI. If you wake up with hip pain, the symptoms can be quickly controlled by active treatment. Patients should also pay attention to avoiding pressure on the buttock muscles and avoiding diseases such as lumbar disc herniation and lumbar spinal stenosis.