1. Department of Behavioral Health and Nutrition, University of Delaware, Bob Carpenter Sports Building, Newark, DE 19716, USA
2. School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA
3. Center for Sleep and Circadian Neurobiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
4. Sleep and Health Research Program, Department of Psychiatry, University of Arizona College of Medicine, Tucson, AZ 85724-5002, USA