title: The dark night.
authors.affiliation: Cardiff University School of Medicine, Cardiff, UK.
authors.forename: Charlotte
authors.initials: C
authors.lastname: Walker
authors.forename: Rhys H
authors.initials: RH
authors.lastname: Thomas
authors.forename: Phil E
authors.initials: PE
authors.lastname: Smith
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D017034:Epilepsy, Frontal Lobe / Q000175:diagnosis / Q000235:genetics; D005260:Female; D006801:Humans; D008297:Male; D020447:Parasomnias / Q000175:diagnosis* / Q000235:genetics; D020187:REM Sleep Behavior Disorder / Q000175:diagnosis / Q000235:genetics; D012890:Sleep / Q000502:physiology*; D012895:Sleep, REM / Q000502:physiology*; D013009:Somnambulism / Q000175:diagnosis / Q000235:genetics