Legal basis: "General Office of the Ministry of Education" schools should inform students and parents that personal mobile phones should not be brought into campus in principle. If students really need to bring their mobile phones into the campus, they must apply in writing and get the consent of their parents. After entering the school, the mobile phone should be handed over to the school for unified custody, and it is forbidden to bring it into the classroom.
Schools around the "General Office of the Ministry of Education" should incorporate scientific sleep publicity and education into the curriculum teaching system, teacher training content and home-school collaborative education mechanism, vigorously popularize scientific sleep knowledge, widely publicize the extreme importance of adequate sleep for the healthy growth of primary and secondary school students, improve teachers' ideological understanding, educate students to develop good sleep hygiene habits, and guide parents to pay attention to children's sleep management through various channels.