Children sleep all the time sweating is generally physiological reasons and pathological reasons have a relationship, specific analysis is as follows: 1. Physiological reasons: small children’s thermoregulatory system is not perfect, the child is active, the metabolism is also relatively fast, the basal body temperature will generally be a little higher than adults, sleep autonomic dysfunction, sleep will appear sweating phenomenon. 2. Pathological causes: the most common is the lack of vitamin D and calcium deficiency, the baby will have the symptom of sweaty sleep, there may also be sleep not solid, crying and other symptoms. Children sleep all the time sweaty and other reasons may also have a relationship, it is recommended that timely to the hospital for relevant examinations, clear cause and symptomatic treatment.