early school start times,” said lead researcher Lisa Meltzer. She’s an associate professor of pediatrics at National Jewish Health in Denver.
“This study provides additional support that delaying middle and high school start times results in increased sleep duration for adolescents due to later wake times,” she added in a news release from the American Academy of Sleep Medicine.
For the study, more than 15,000 students completed online surveys about their sleep habits before and after the new starting time.
Besides getting more sleep, students said they were more alert for homework.
Before the time change, 46% of middle schoolers and 71% of high schoolers said they were
