"Later School Start Times Promote Adolescent Well-Being," from the American Psychological Association

"Research Brief: School Start Times and Adolescent Students," from Hanover Research (commissioned by VBCPS in 2016)

"Literature Review: Optimal School Start Times," from Hanover Research (commissioned by VBCPS in 2016)

"School Start Time Analysis and Facilitation," from School Bus Consultants (commissioned by VBCPS in 2016)

"School Start Time Analysis," from School Bus Consultants

"School Start Times, Sleep, Behavioral, Health, and Academic Outcomes: A Review of the Literature," from the Journal of School Health

"Delayed High School Start Times later than 8:30 a.m. and Impact on Graduation Rates and Attendance Rates," by Pamela McKeever and Linda Clark

"Examining the Impact of Later High School Start Times on the Health and Academic Performance of High School Students: A Multi-Site Study," by the Center for Applied Research and Educational Improvement and the College of Education and Human Development in the University of Minnesota

"Adolescent Crash Rates and School Start Times in Two Central Virginia Counties, 2009-2011: A Follow-up Study to a Southeastern Virginia Study, 2007-2008," from the Journal of Clinical Sleep Medicine

"Sleepless in Fairfax: The Difference One More Hour of Sleep Can Make for Teen Hopelessness, Suicidal Ideation, and Substance Use," by Adam Winsler, Aaron Deutsch, Robert Daniel Vorona, Phyllis Abramczyk Payne and Mariana Szklo-Coxe

"Dissimilar Teen Crash Rates in Two Neighboring Southeastern Virginia Cities with Different High School Start Times," from the Journal of Clinical Sleep Medicine

"Adolescent Sleep, School Start Times, and Teen Motor Vehicle Crashes," from the Journal of Clinical Sleep Medicine

"School Start Times for Adolescents," from the American Academy of Pediatrics

"Most US middle and high schools start the school day too early," from the Centers for Disease Control and Prevention

"School Start Time Change: An In-Depth Examination of School Districts in the United States," a study by the Children’s National Medical Center’s Blueprint for Change Team