If you can’t sleep at school, it may be related to the change of environment and not very adaptable, you can eat bananas, millet porridge and other foods in moderation, you can also drink a glass of hot milk, which has the effect of calming the mind and promoting sleep. If you can’t sleep at school, it may be related to excessive tension and stress, so keep your mood relaxed, reduce stress, don’t eat stimulating food, and take drugs such as glutamine and tranquilizer. The symptoms of sleeplessness may also be related to changes in the biological clock. You should try to sleep less during the day and go to bed before 10:00 p.m. You can lie in bed, listen to some soothing and relaxing music, or do indoor gymnastics to relax your muscles and promote sleep. Before going to bed to stay calm, do not think, deep breath after holding, slowly exhale, cycle several times should be able to fall asleep.