title: Cognitive developmental level and sleep-onset insomnia.
authors.affiliation: Department of Psychology, Indiana State University, Terre Haute 47809.
authors.forename: G E
authors.initials: GE
authors.lastname: Shute
authors.forename: S G
authors.initials: SG
authors.lastname: Fitzgerald
mesh_terms: D000293:Adolescent; D000328:Adult; D003071:Cognition / Q000502:physiology; D006339:Heart Rate; D006803:Human Development; D006801:Humans; D008875:Middle Aged; D007319:Sleep Initiation and Maintenance Disorders / Q000503:physiopathology / Q000523:psychology*