The reason for back pain while sleeping is mainly inflammatory low back pain, the so-called inflammatory inflammation, means inflammation, is the back of the muscles, tendons, fascia, ligaments, joint capsules and other soft tissues inflammation, which is the most common is the back of the back and lumbar back of the fasciitis, fascia is the white tendons on the surface of the meat usually see, this is called fascia, fascia in the cold, exertion, trauma after the inflammation will occur. Of course, this inflammation is aseptic inflammation, not suppurative inflammation, aseptic inflammation exudation, stimulation of nerve endings will be painful, sleep at night when the activity is reduced, the venous return is slower, the inflammatory pain-causing substances in the local retention, so the pain is aggravated.