Children do not sleep soundly may be related to calcium deficiency, environmental discomfort, eat too much before bedtime or too excited and other factors, can be improved from the medication, change the environmental temperature, dietary structure adjustment and other aspects. 1. lack of vitamin D and calcium: some babies do not sleep soundly at night, considering and the body of vitamin D and calcium deficiency, which will make the sympathetic nerve excitation symptoms, can be supplemented with vitamin D and calcium, so as to improve the performance of the baby does not sleep. 2. Environmental discomfort: children’s sleep environment if too cold or too hot, may lead to the above situation, you can change the sleep environment, avoid too hot or too cold, appropriate increase or decrease clothing. 3. Eat too much before bedtime, too excited: children who eat too much before going to bed, or mental over-excitement, will affect the child’s intestinal function, abdominal discomfort, it is recommended that half an hour before going to bed as far as possible, do not let the child to eat, as well as to watch too much excitement of the animation and so on. Children do not sleep soundly, it is recommended to go to the hospital in a timely manner for relevant examinations, clear causes and actively targeted treatment.