The main causes of children’s difficulty in sleeping usually include eating too much before going to sleep, lack of calcium or higher excitability of the central nervous system, which need to be treated promptly. 1. If a child eats too much before going to sleep, it may lead to indigestion, which may be manifested as abdominal distension, abdominal pain, difficulty in sleeping, etc. Therefore, it is necessary to adjust the eating habits at the right time and in the right amount. 2. If a child lacks calcium, it may lead to increased excitability of the child’s central nervous system and difficulty in falling asleep, accompanied by excessive sweating, abnormal crying and frequent awakenings during sleep. 3. Of course, there are other factors that increase the excitability of the central nervous system, such as over-excitement before going to sleep or being frightened by accidents, etc. Therefore, it is very important to create a comfortable and restful sleep environment. There may be other reasons for children’s difficulty in falling asleep, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.