Sleep DisordersSleepNarcolepsySleep, REMPolysomnographySleep StagesSleep Initiation and Maintenance DisordersWakefulnessSleep Disorders, Circadian RhythmCataplexyDisorders of Excessive SomnolenceParasomniasCircadian RhythmSleep DeprivationSleep Disorders, IntrinsicMelatoninSleep Apnea, ObstructiveSleep Apnea SyndromesElectrooculographyNocturnal Myoclonus SyndromeArousalElectroencephalographyRestless Legs SyndromeFatigueBlood Pressure MonitorsSomnambulismQuestionnairesSeverity of Illness IndexChronobiology DisordersJet Lag SyndromeTime FactorsBody TemperatureREM Sleep Behavior DisorderSleep Medicine SpecialtySleep BruxismAnalysis of VarianceDyssomniasMental DisordersBipolar DisorderSnoringBender-Gestalt TestActigraphyPhototherapyHypersomnolence, IdiopathicSleep Arousal DisordersNight TerrorsAnxiety DisordersMood DisordersHypnotics and SedativesComorbidityNocturiaPrevalenceDreamsSleep ParalysisKleine-Levin SyndromeBruxismDiagnostic and Statistical Manual of Mental DisordersDepressive DisorderHyperacusisContinuous Positive Airway PressureHabitsOrexin ReceptorsCross-Sectional StudiesRisk FactorsDepressive Disorder, MajorSecobarbitalDepressionNeuropeptidesAttention Deficit Disorder with HyperactivityRhinomanometryHemodialysis Units, HospitalMandibular AdvancementTrazodoneReceptors, NeuropeptideHydroxyzinePsychology, ClinicalSleep Apnea, CentralElectromyographyQuality of LifePsychiatric Status Rating ScalesCase-Control StudiesCognition DisordersTonsillectomyStress Disorders, Post-TraumaticCentral Nervous System StimulantsEnuresisParkinson DiseaseAutistic DisorderAge FactorsObsessive-Compulsive DisorderAzabicyclo CompoundsBrainChild Development Disorders, PervasiveSubstance-Related DisordersPhobic DisordersPsychotic DisordersAutomobile DrivingProspective StudiesTreatment OutcomeBody Mass Index