一、前言近几年来,一些中小学校、大中院校的学生因参加运动猝死的事故时有发生,确实令人惋惜、震惊,甚至恐惧。挥之不去的伤痛也给我们留下了深刻的反思:生活环境不断地改善,医疗卫生设施预防工作也不断加强,可是青少年的身体素质何以下滑到如此令人吃惊的程度?笔者认为除其他客观因素外,学生睡眠严重不足也是重要的原因,仅仅 I. Introduction In recent years, students from some primary and secondary schools, colleges and universities have indeed taken a pounding, shocking and even horrified accident because of accidents involving sudden death in sports. The lingering pain also left a deep reflection on us: the living environment has been continuously improved and the preventive work on medical and health facilities has been continuously strengthened. However, why the adolescent’s physical quality slipped to such a surprising level? In my opinion, Other objective factors, the students lack of sleep is also an important reason, only