Sleep DisordersSleepSleep, REMSleep Disorders, Circadian RhythmSleep Initiation and Maintenance DisordersSleep Apnea, ObstructivePolysomnographyParasomniasSleep Apnea SyndromesNarcolepsySleep Disorders, IntrinsicNocturnal Myoclonus SyndromeWakefulnessDisorders of Excessive SomnolenceRestless Legs SyndromeSomnambulismCircadian RhythmElectroencephalographyChronobiology DisordersArousalJet Lag SyndromeSleep BruxismMelatoninActigraphyREM Sleep Behavior DisorderSleep Medicine SpecialtyCataplexySnoringSleep StagesSleep Arousal DisordersQuestionnairesMental DisordersDyssomniasBipolar DisorderBender-Gestalt TestElectrooculographyHypersomnolence, IdiopathicSeverity of Illness IndexPhototherapyHypnotics and SedativesNight TerrorsDreamsSleep ParalysisSleep Apnea, CentralAnxiety DisordersComorbidityFatigueMood DisordersContinuous Positive Airway PressureNocturiaPrevalenceHabitsSleep DeprivationTime FactorsElectromyographyDepressive DisorderBruxismOrexin ReceptorsCross-Sectional StudiesKleine-Levin SyndromeRisk FactorsDiagnostic and Statistical Manual of Mental DisordersHyperacusisMandibular AdvancementDepressionDelta RhythmNeuropeptidesAnalysis of VarianceDepressive Disorder, MajorTrazodoneTonsillectomyReceptors, NeuropeptideQuality of LifeSecobarbitalAttention Deficit Disorder with HyperactivityCase-Control StudiesRhinomanometryAzabicyclo CompoundsAge FactorsPsychiatric Status Rating ScalesCognition DisordersHemodialysis Units, HospitalPsychology, ClinicalCentral Nervous System StimulantsBrainHydroxyzineParkinson DiseaseBody Mass IndexStress Disorders, Post-TraumaticProspective StudiesAutistic DisorderTreatment OutcomeAutomobile DrivingEnuresisObsessive-Compulsive DisorderAnxietySex FactorsPositive-Pressure RespirationNeuropsychological TestsChild Development Disorders, Pervasive