Adolescent Sleep Duration, Variability, and Peak Levels of Achievement and Mental Health

To inform public health recommendations for adolescent sleep, the amounts of sleep associated with the highest levels of academic achievement and mental health were examined. The degree to which daily variability in sleep duration represents an underappreciated but functionally significant sleep behavior also was tested. A total of 421 adolescents ( M age = 15.03 years) with Mexican‐American backgrounds reported nightly sleep times for 2 weeks;...