title: Reply: To PMID 23102789.
authors.forename: Shiree
authors.initials: S
authors.lastname: Gibbs
authors.forename: Esko
authors.initials: E
authors.lastname: Wiltshire
authors.forename: Dawn
authors.initials: D
authors.lastname: Elder
mesh_terms: D056044:Actigraphy / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D017286:Polysomnography / Q000379:methods*; D011218:Prader-Willi Syndrome / Q000175:diagnosis*; D012890:Sleep / Q000502:physiology*