Children do not sleep well may be caused by nightmares, poor sleep environment, malnutrition and so on. 1. Nightmares: children often have nightmares, will cause the child itself is afraid to sleep, sleep is not solid, can be in the child woke up appropriately soothing, to avoid reprimanding. 2. Poor sleeping environment: when the sleeping environment temperature is too high or the light is especially bright, it will cause the child to sleep soundly, so it is recommended to give the child a good sleeping environment. 3. Nutritional deficiencies: If your child is a picky eater and takes in too little nutrients, he or she may be deficient in calcium or zinc, etc. It is necessary to undergo a relevant examination to clarify the cause of the deficiency, and then follow the doctor’s instructions to use medication to treat the deficiency, for example, vitamin D preparations and zinc gluconate oral solution. If the child has poor sleep for a long time, it will affect the mental and intellectual development, therefore, it is recommended to consult a doctor in time for examination and treatment, and avoid blindly using medication. The above medications should be used in accordance with the doctor’s prescription.