1 Sleep Laboratory and Unit for Chronobiology U78, Brugmann University Hospital, Université Libre de Bruxelles (U.L.B.), Brussels, Belgium.
2 UNI Neuroscience Institute, ULB312 Faculty of Medicine, and ULB388 Faculty of Motor Sciences, Université Libre de Bruxelles (U.L.B.), Brussels, Belgium.
3 Center for the Study of Sleep Disorders, Department of Internal Medicine, Edith Cavell Medical Institute, CHIREC, Brussels, Belgium.
4 Department EXTO, Vrije Universiteit Brussel (V.U.B.), Brussels, Belgium.
5 Royal Military Academy, Department LIFE, Brussels, Belgium.
6 Department of Psychiatry, Centre Hospitalier de Tivoli, U.L.B., La Louvière, Belgium.