On April 2, the website of the Ministry of Education published the Notice of the General Office of the Ministry of Education on Further Strengthening the Sleep Management of Primary and Secondary School Students, which mentioned that in order to ensure that primary and secondary school students enjoy adequate sleep time and promote their physical and mental health, it is now notified to further strengthen the sleep management of primary and secondary school students and strengthen scientific sleep publicity and education. Sleep is an important part of human recovery, integration and memory consolidation. It is very important to promote the brain development and bone growth of primary and secondary school students, protect their eyesight and physical and mental health, and improve their learning ability and efficiency. 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 consciousness, educate students to develop good sleep hygiene habits, and guide parents to pay attention to the sleep management of their children. ?

Secondly, make clear the students' sleep time requirements. According to the characteristics of physical and mental development of students of different ages, the daily sleep time of primary school students should reach 10 hour, junior high school students should reach 9 hours, and senior high school students should reach 8 hours. Schools, families and relevant parties should work together to ensure that primary and secondary school students have enough sleep time. ?

Arrange the school timetable. The provincial education administrative department should set out from the need of ensuring students' adequate sleep and reasonably determine the schedule of primary and secondary schools according to the actual situation. The morning classes in primary schools are usually not earlier than 8:20, and the time in middle schools is usually not earlier than 8: 00. Schools may not require students to attend unified education and teaching activities in advance. For individual students who arrive at school in advance due to special family circumstances, the school should start school in advance and make proper arrangements; Arrange the rest time between classes and afternoon classes reasonably, and ensure that students are provided with the necessary lunch break in places and schools where conditions permit.

Prevent excessive study from wasting sleep time. Primary and secondary schools should improve the effectiveness of classroom teaching, strengthen the overall management of homework, rationally control the total amount of students' written homework in strict accordance with relevant regulations, and guide students to make full use of self-study courses. Or after-school service hours, so that primary school students can basically complete the school and middle school students' written homework, and most of the written homework is completed at school, so as to avoid students from crowding into the normal homework time with long sleep after returning home. The training of off-campus training institutions shall not be later than 20:30, and homework shall not be arranged in any form such as pre-class preparation, after-class combination, homework exercise, and WeChat group registration, so as to ensure that all requirements are put in place, effectively ensure the quality of students' sleep, and promote their study and physical and mental health.