title: Sleep Problems and Daily Functioning in Children With ADHD: An Investigation of the Role of Impairment, ADHD Presentations, and Psychiatric Comorbidity.
abstract: OBJECTIVE
  Little systematic information is available regarding how sleep problems influence daytime functioning in children with ADHD, as the role of ADHD presentations and comorbidity is unclear.
  
  
  METHODS
  In total, 397 children were assessed with the Children's Sleep Habits Questionnaire, the Weiss Functional Impairment Rating Scale, and the ADHD Rating Scale.
  
  
  RESULTS
  We found a moderate, positive correlation between sleep problems and impaired functioning in both children with ADHD and in typically developed children. ADHD presentations did not differ significantly with respect to sleep problem profile, but having a comorbid internalizing or autistic disorder lead to higher sleep problem score.
  
  
  CONCLUSIONS
  Sleep problems and impaired daily functioning were more common in children with ADHD, but the overall association between sleep problems and impaired daily functioning was similar in clinical and nonclinical children. Internalizing or autistic comorbid disorders added significantly to the sleep problems.
authors.affiliation: 1 Aarhus University, Denmark.
authors.forename: Anne
authors.initials: A
authors.lastname: Virring
authors.affiliation: 1 Aarhus University, Denmark.
authors.forename: Rikke
authors.initials: R
authors.lastname: Lambek
authors.affiliation: 2 University of Copenhagen, Denmark.
authors.forename: Poul Jørgen
authors.initials: PJ
authors.lastname: Jennum
authors.affiliation: 1 Aarhus University, Denmark.
authors.forename: Lene Ruge
authors.initials: LR
authors.lastname: Møller
authors.affiliation: 1 Aarhus University, Denmark.
authors.forename: Per Hove
authors.initials: PH
authors.lastname: Thomsen
mesh_terms: D000203:Activities of Daily Living; D001289:Attention Deficit Disorder with Hyperactivity / Q000453:epidemiology* / Q000523:psychology; D002648:Child; D015897:Comorbidity; D005260:Female; D006801:Humans; D008297:Male; D012893:Sleep Wake Disorders / Q000453:epidemiology*
keywords: ADHD; ADHD presentations; comorbidity; daily functioning; sleep problems