title: The mathematical structure of the human sleep-wake cycle.
authors.affiliation: Division of Applied Sciences, Harvard University, Cambridge, Massachusetts 02138.
authors.forename: S H
authors.initials: SH
authors.lastname: Strogatz
authors.forename: D G
authors.initials: DG
authors.lastname: Beersma
authors.forename: J T
authors.initials: JT
authors.lastname: Enright
authors.forename: P H
authors.initials: PH
authors.lastname: Gander
mesh_terms: D002940:Circadian Rhythm / Q000502:physiology*; D006801:Humans; D008433:Mathematics; D008954:Models, Biological; D012890:Sleep / Q000502:physiology*; D014851:Wakefulness / Q000502:physiology*