title: Sleep, intelligence and cognition in a developmental context: differentiation between traits and state-dependent aspects.
abstract: This article addresses associations between sleep, cognition and intelligence in a developmental context and clarifies the terminology. Research must differentiate between aspects related to general underlying traits and those aspects that are characterized by state-dependent fluctuations.
authors.affiliation: Child Development Center, University Children's Hospital Zürich, Zürich, Switzerland.
authors.forename: Anja
authors.initials: A
authors.lastname: Geiger
authors.forename: Peter
authors.initials: P
authors.lastname: Achermann
authors.forename: Oskar G
authors.initials: OG
authors.lastname: Jenni
mesh_terms: D001921:Brain / Q000502:physiology; D002648:Child; D002657:Child Development / Q000502:physiology*; D003071:Cognition / Q000502:physiology*; D006801:Humans; D007360:Intelligence / Q000502:physiology*; D012890:Sleep / Q000502:physiology*