Sleep DisordersSleepSleep Disorders, Circadian RhythmSleep, REMParasomniasNarcolepsySleep Initiation and Maintenance DisordersSleep Disorders, IntrinsicPolysomnographySleep Apnea, ObstructiveSleep Apnea SyndromesNocturnal Myoclonus SyndromeDisorders of Excessive SomnolenceRestless Legs SyndromeWakefulnessSomnambulismChronobiology DisordersJet Lag SyndromeSleep StagesMelatoninCircadian RhythmCataplexyREM Sleep Behavior DisorderSleep Medicine SpecialtySleep BruxismDyssomniasMental DisordersArousalBipolar DisorderSnoringElectroencephalographyBender-Gestalt TestActigraphyPhototherapyQuestionnairesHypersomnolence, IdiopathicSleep Arousal DisordersNight TerrorsSeverity of Illness IndexAnxiety DisordersMood DisordersHypnotics and SedativesComorbidityNocturiaSleep DeprivationElectrooculographyPrevalenceFatigueDreamsSleep ParalysisKleine-Levin SyndromeBruxismDiagnostic and Statistical Manual of Mental DisordersDepressive DisorderHyperacusisContinuous Positive Airway PressureHabitsOrexin ReceptorsCross-Sectional StudiesRisk FactorsDepressive Disorder, MajorSecobarbitalDepressionTime FactorsNeuropeptidesAttention Deficit Disorder with HyperactivityRhinomanometryHemodialysis Units, HospitalMandibular AdvancementTrazodoneReceptors, NeuropeptideHydroxyzinePsychology, ClinicalSleep Apnea, CentralElectromyographyQuality of LifePsychiatric Status Rating ScalesCase-Control StudiesCognition DisordersAnalysis of VarianceTonsillectomyStress Disorders, Post-TraumaticCentral Nervous System StimulantsEnuresisParkinson DiseaseAutistic DisorderAge FactorsObsessive-Compulsive DisorderAzabicyclo CompoundsBrainChild Development Disorders, PervasiveSubstance-Related DisordersPhobic DisordersPsychotic DisordersAutomobile DrivingProspective StudiesTreatment OutcomeBody Mass IndexWork Schedule ToleranceAnxiety