2013年至2023年间美国高中生短睡眠时长与持续悲伤或绝望感：性别特异性全国趋势比较

This study evaluated how closely the national prevalence of U.S. high school students getting less than eight hours of sleep on an average school night tracked the national prevalence of persistent sadness or hopelessness across the six YRBS survey years from 2013 to 2023, and whether that pattern of co-movement differed between male and female students. This study used data collected by the Youth Risk Behavior Surveillance System (YRBSS), a program run by the Centers for Disease Control and Prevention (CDC) through its biennial Youth Risk Behavior Survey (YRBS). The same correlation was calcu