Diurnal Cortisol Rhythms and Sleeping Patterns in Adolescence: A Longitudinal Study of the Transition to College

This study examined the cross-sectional and longitudinal associations among diurnal cortisol rhythms and sleeping patterns in adolescents. 79 participants completed the study over three days during the spring semester of their senior year in high school, and 76 of these subjects participated again over three days during the fall semester of their freshman year in college.