This website provides information about efforts to study and set standards for resident duty hours. The site includes an update on the 2017 review of current program requirements which concluded that flexible duty hours that adhere to a maximum 80-hour maximum work week can be a safe alternative.
Ulmer C, Wolman DM, Johns MME, eds. Committee on Optimizing Graduate Medical Trainee (Resident) Hours and Work Schedule to Improve Patient Safety, Institute of Medicine. Washington, DC: The National Academies Press; 2008. ISBN: 9780309127721.