American Academy of Pediatrics (2014). Policy statement: School start times for adolescents. www.pediatrics.org/cgi/doi/10.1542/peds.2014-1697
Centers for Disease Control and Prevention (2015). Wheaton, A.G., Ferro, G.A., Croft, J.B. Morbidity and Mortality Weekly Report, August 7, 2015. “School Start Times for Middle School and High School Students -- United States, 2011-12 School Year.”
Owens, J., M.D. (2019). Public presentation at Radnor Township School District, Feb. 7, 2019.
University of Washington. Dunster, G.P., et. al. in Science Advances (2018). Advances.sciencemag.org. “Sleepmore in Seattle: Later school start times are associated with more sleep and better performance in high school students.”
University of Minnesota College of Education + Human Development (2014). “Students’ grades and health improve with later high school start times.”