1. The most important thing is to cultivate their sleep ability as soon as possible. Many students don't like sports now. Only by forming a person with good habits and body can he fall asleep quickly at any time. 2. Start from ourselves and create a good collective environment. When we were at school, boys in their thirties lived in big houses. It is everyone's habit to get up on time and go to bed on time. The key is to help each other.