1. Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham & Women's Hospital & Harvard Medical School, Boston, Massachusetts
2. Respiratory Medicine and Sleep Laboratory, Department of Internal Medicine, Spedali Civili di Brescia, University of Brescia, Brescia, Italy
3. Sleep Laboratory, Pulmonary Division, Heart Institute (InCor), Hospital das Clinicas, Facultade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
4. Sleep and Circadian Medicine Laboratory, Department of Physiology, and
5. School of Psychological Sciences and Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Melbourne, Victoria, Australia; and
6. Neuroscience Research Australia and the University of New South Wales, Randwick, New South Wales, Australia