The specific reasons why 10-year-old children can not sleep at night are as follows: 1, the child within 2 hours before sleep or excessive excitement and excessive play during the day, the nervous system is in a state of excitement, at this time it is difficult to fall asleep at night, there will be sleeplessness, this is because the development of the child’s nervous system is not very well developed, often this happens, so try to ensure quiet within 2 hours before going to sleep, you can 2, 10-year-old children may have more needs for food, especially children who are about to enter puberty, if you eat too much food at dinner, especially before bedtime, resulting in the formation of undigested food in the gastrointestinal tract will affect sleep, showing the phenomenon of sleeplessness. 3, in the daytime behavior of some behaviors will make the child form tension or anxiety, the child will also show sleeplessness. . The above is the case of 10-year-old children often can not sleep, individual children may also have sleep disorders because of a lack of vitamin D or calcium, can be given appropriate supplements.