The causes of sweating in children’s sleep are considered to be related to high ambient temperatures, overly thick bedding, and lack of calcium. 1. High ambient temperature: Sweating in baby’s sleep may be related to high indoor temperature, which can be relieved by adjusting the indoor temperature in time. 2. Excessive bedding: The thickness of the bedding should be adjusted according to the weather and the indoor temperature to avoid excessive bedding, which will increase the child’s heat production and lead to sweaty sleep. 3. Lack of calcium: the reason why children love to sleep and sweat, but also can not be ruled out and the lack of calcium and vitamin D in the body, in the case of sympathetic excitation, will cause occipital baldness, night sweats, sleep restlessness, crying and other symptoms. There may also be other reasons for your child’s sweaty sleep, so it is recommended to go to the hospital in time, cooperate with the doctor to improve the examination and determine the cause before handling and treatment.