1 year old 9 months baby sleep sometimes to startle, may be subject to external interference, vitamin D or calcium deficiency and other reasons.
1 year 9 months old baby is young, brain development is not perfect, easy to be stimulated by the external environment, if the baby is too excited during the day or sleep in a noisy environment, there will be a startle when sleeping performance.
If the lack of vitamin D or calcium, will cause the nervous system excitability increase, the baby can also appear sometimes sleep startle performance, accompanied by excessive sweating, crying at night and other performance.
If your 1-year-old 9-month-old baby sometimes sleeps with a startle, there may be other reasons, it is recommended to go to the hospital in time, complete the examination to clarify the cause of the disease, and then give targeted treatment or therapy. All of the above medications should be used under the guidance of a doctor.