Baby sleep humming head twisting around can be seen in physiological phenomena, pathological conditions (such as vitamin D deficiency, etc.), specific need to combine with the baby’s condition to determine. 1. Physiological phenomenon: If the temperature of the sleeping environment is not suitable (e.g. higher temperature) or the blanket is thicker, which makes the baby feel uncomfortable, the above phenomenon can be produced, which may be accompanied by sweating, etc., and the above phenomenon can be relieved by adjusting the indoor temperature or reducing the blanket as appropriate. 2. Pathological conditions (1) Vitamin D deficiency: such as nutritional vitamin D deficiency rickets, at the beginning of the disease, babies can appear sweaty and other neurological excitability increased performance, sleep sweating can stimulate the scalp, sleep unsettled, grunting head twisting around phenomenon. (2) Eczema: such as severe facial or scalp eczema, there may be obvious itchiness, and some of them may be accompanied by oozing, which makes the baby feel uncomfortable, and the above manifestations may occur during sleep. (3) Other: such as acute otitis media, the baby may also show the above phenomenon, part of which may be accompanied by crying. Baby sleep grunting head twisting around, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.