title: Perception of sleepiness before falling asleep.
authors.forename: Anna
authors.initials: A
authors.lastname: Anund
authors.forename: Torbjörn
authors.initials: T
authors.lastname: Akerstedt
mesh_terms: D000063:Accidents, Traffic; D001364:Awareness / Q000502:physiology*; D006801:Humans; D010465:Perception / Q000502:physiology; D012890:Sleep / Q000502:physiology*; D012892:Sleep Deprivation / Q000503:physiopathology*; D012894:Sleep Stages / Q000502:physiology*