McMahon DM, Burch JB, Wirth MD, Youngstedt SD, Hardin JW, Hurley TG, Blair SN, Hand GA, Shook RP, Drenowatz C, Burgess S, Hebert JR. Persistence of social jetlag and sleep disruption in healthy young adults. Chronobiol Int. 2018 03; 35(3):312-328.