The baby sleep hand is always scratching the head and face, consider with the temperature is too high, eczema, calcium deficiency and other factors related. 1. high temperature, sleeping process if the environmental temperature is too high or cover the baby too thick may lead to sweating, head sweat increase will affect the baby normal sleep, the hand is always scratching the face symptoms. 2. eczema, if the baby has eczema, eczema stimulation of the baby scalp may have obvious itching, so this symptom will appear. 3. Calcium deficiency, if the baby’s body calcium deficiency, may lead to abnormal nerve function, nervous system excitability, so this symptom will appear. The baby sleep hand is always scratching the head and face, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.