Ten months baby sleep head sweat, may and calcium deficiency, indoor temperature is too high, cold fever and other factors related. 1. Calcium deficiency: If a ten-month-old baby has a sweaty forehead for a long time, and is accompanied by night terrors and occipital baldness, it may be caused by a lack of calcium. 2. Indoor temperature is too high: If parents overdress their babies when they are sleeping, or if the indoor temperature is too high, the above situation may also occur. 3. Cold and fever: baby if only recently appeared above, but also accompanied by coughing, high body temperature, runny nose and other conditions, may be a symptom of sweating in the process of fever reduction. Ten months baby sleep head sweat may also have other reasons, it is recommended to timely to the hospital for relevant examinations, clear causes and then actively treat the symptoms.