What’s wrong with a three-month-old baby shaking his head in his sleep?

Three months baby sleep shaking head may be related to the environment is not suitable and rickets and other pathological factors.
1. The environment is not suitable: if the baby sleeps in a hot environment or cover the baby with too thick quilt will make the baby sweat, after sweating, there will be scalp itching, sleep shaking head performance.
2. Pathological factors: if in addition to sleep shaking head, accompanied by frequent crying at night and occipital baldness, there may be a lack of vitamin D caused by rickets. Some babies often sweat head will appear eczema or rash, accompanied by itching, the baby sleep by shaking his head to relieve itching.
Three-month-old baby sleep shaking head, there may be other reasons, parents are advised to take their children to the hospital to find out the cause and timely treatment.