Children fall asleep body convulsions due to physiological factors, low calcium convulsions and pediatric epilepsy and other factors. 1. Physiological factors, small children due to the imperfect development of the nervous system, prone to generalization of nerve conduction, or transient disorders of the nervous system will also have this performance, generally do not need special treatment, regular observation. 2. Low-calcium convulsions, which are mostly caused by the lack of calcium in children’s bodies, which need to check the body’s trace elements or electrolytes to determine whether there is a low-calcium situation. 3. Pediatric epilepsy, because it causes convulsions are mostly persistent, so you need to consult a doctor to confirm the diagnosis through the electroencephalogram. There may be other reasons for children to have convulsions when they fall asleep, so it is recommended that they go to the hospital in time for a complete examination to determine the cause of the problem, and then give targeted treatment or therapy under the guidance of the doctor.