If the symptoms of hip pain appear after lying in bed for a long time, there may be several reasons: 1, it may be due to lying down for too long and fixed position without moving, plus the hard texture of the bed will easily lead to pressure on the soft tissues of the hip, causing poor local blood circulation and local pain symptoms, most of this situation will not exceed 24 hours and the symptoms will be relieved. 2, usually suffer from transverse synovial syndrome. Patients with transverse synovial syndrome may also have this symptom. Transverse synovial syndrome is caused by repeated rubbing of the transverse process due to long-term fixed posture, strain, injury, etc., which stimulates the surrounding inflammation and causes neurological symptoms. If the sleeping posture is incorrect and the bed is too soft, it will aggravate the disease and produce such symptoms, which will lead to hip pain, thigh pain and lumbar pain. 3, there may also be poor sleeping and living conditions, and cold factors will stimulate the soft tissues around the hip joint to produce local pain symptoms, which can be relieved by applying heat and physical therapy.