title: Which aspects of morningness-eveningness change with age?
authors.forename: Timothy H
authors.initials: TH
authors.lastname: Monk
authors.forename: David J
authors.initials: DJ
authors.lastname: Kupfer
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012890:Sleep; D014851:Wakefulness