The baby refuses to sleep at night may be caused by physiological factors, may also be caused by pathological factors, it is recommended to go to the hospital in a timely manner, symptomatic treatment. 1. Physiological factors: physiological may be related to the baby hunger, wear clothes too tight, indoor temperature is too high and other reasons, it is recommended to create a suitable sleeping environment, room temperature is appropriate, try to let the baby eat as much as possible before going to bed, wear loose-fitting clothes to sleep, and so on. 2. Pathological factors: such as vitamin D deficiency, clinical manifestations of excessive sweating, crying, nighttime restlessness, occipital baldness, etc., should pay attention to observation, it is recommended that you can go to the hospital for a physical examination, follow the doctor’s instructions to supplement vitamin D, appropriate exercise, maintain good habits. If the baby refuses to sleep at night, it is recommended to first rule out physiological factors, and then go to the hospital in a timely manner, to clarify the cause of the disease, and actively cooperate with the doctor’s treatment, regular review, and avoid the use of private medication, so as to avoid delays in the condition, affecting health.