title: Disentangling shared variance: an impossible dream.
authors.forename: Christine
authors.initials: C
authors.lastname: Acebo
mesh_terms: D000293:Adolescent; D002648:Child; D006970:Disorders of Excessive Somnolence / Q000209:etiology; D006801:Humans; D012890:Sleep / Q000502:physiology*; D012892:Sleep Deprivation / Q000150:complications; D013997:Time Factors; D014851:Wakefulness / Q000502:physiology