4 am back pain stomach pain may be due to cold, sleeping position is not correct, bed is not suitable, lumbar and dorsal musculoskeletal inflammation and other reasons related. If you don’t pay attention to keep warm when you sleep at night, cover the quilt is not tight or the windows and doors are too ventilated, will cause the waist and abdomen with wind and cold, thus causing localized pain, generally can be relieved by hot compresses, warmth and other ways. If the sleeping posture is not correct or the waist and abdomen have injuries, due to sleep excessive pressure on the waist and abdomen or the injured area, thus causing pain. Too soft or too hard beds are very common in daily life, too soft beds lead to back pain is mainly due to the relaxation of the lumbar muscles during sleep, if the bed is too soft to lead to lumbar support, the lumbar nerves will be due to the lumbar vertebrae position of the movement of the lumbar vertebrae and the pressure and thus cause pain. If the bed is too hard, and you are thin, the bones in your lower back may pinch the skin in your lower back and cause pain. Lumbar back fasciitis. Cold induces lumbar fasciitis, which causes the above symptoms, and the pain can radiate to the abdomen. You should go to the hospital in time for targeted treatment.