Baby sleep head sweat may be a normal body reaction, may also be triggered by hypocalcemia, rickets and other factors. 1. Normal body reaction, part of the baby sleeping process may appear sweating symptoms, mainly due to the baby’s body nervous system is not yet well developed, the body metabolic rate is faster. 2. Hypocalcemia, the lack of calcium in the baby’s body may lead to hypocalcemia, the nervous system excitability increases, so there will be sleeping head sweating symptoms. 3. rickets, some babies with rickets may also appear to sleep head sweating, can be accompanied by convulsions, crying, etc., and severe may lead to sternal protrusion, rib protrusion and other symptoms. Baby sleep head sweat may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.