title: Idiopathic hypersomnia: a diagnostic dilemma. A commentary of "Idiopathic hypersomnia" (M. Billiard and Y. Dauvilliers).
authors.affiliation: Centre d'étude du sommeil, Hôpital du Sacré-Coeur de Montréal, and Department of Psychiatry, Université de Montréal, Montreal, Québec, Canada
authors.forename: Jacques
authors.initials: J
authors.lastname: Montplaisir
authors.forename: Livia
authors.initials: L
authors.lastname: Fantini