At night when you sleep is absolutely can not tie the abdominal belt, because the human body in sleep should be fully dormant and fully relaxed, at this time should be the body’s joints muscles, ligaments, skin, fat and the body’s stratum corneum, belong to the full breathing and fully stretched state. At this time, if you tie the abdominal belt, will aggravate the poor blood circulation, but also oppression of lymphatic vessels, resulting in lymph caused by reflux blockage, reflux is not smooth and so on. In addition to sleep at night to the abdominal belt, will also cause the pelvic blood stagnation and poor blood flow, for gynecological infections and gynecological health care have a certain harm. So at night when you sleep must not tie the abdominal belt, to make the body fully relaxed, especially the lower body to fully return, do not use any binding material to press the lymph, blood to hinder the return of flow.