Little baby sleep head shaking around may be physiological factors, lack of vitamin D, eczema and other factors. 1. physiological factors: sleep indoor temperature is high, the baby head sweat more, sweat on the back of the brain will cause stimulation, so that the back of the brain is not comfortable, the baby will be given by shaking his head to improve the way, belongs to the physiological factors. 2. Lack of vitamin D: the lack of vitamin D in the pediatric body will affect the absorption of calcium, resulting in lower blood calcium levels, will be frequently shaking their heads at night, accompanied by restless sleep, pillow baldness, crying and other abnormal manifestations. 3. Eczema: may be related to environmental factors, such as excessive indoor humidity, the back of the head area of the child will appear eczema, may cause itching, will lead to the baby shaking his head while sleeping. If your baby’s head is shaking in his sleep and there are other abnormalities, parents are advised to take their children to the doctor for examination and treatment.