Disorders of Excessive SomnolenceNarcolepsyPolysomnographyCataplexySleep DisordersSleep Apnea, ObstructiveSnoringSleep StagesSleep Apnea SyndromesSleepSleep Initiation and Maintenance DisordersWakefulnessSleep DeprivationWakefulness-Promoting AgentsSleep Disorders, Circadian RhythmUvulaFatigueContinuous Positive Airway PressureCircadian RhythmHypersomnolence, IdiopathicRestless Legs SyndromeSleep, REMQuestionnairesArousalBenzhydryl CompoundsSeverity of Illness IndexPrevalenceNocturnal Myoclonus SyndromeNeuropeptidesCross-Sectional StudiesHLA-DQ beta-ChainsComorbidityDepressionQuality of LifeElectroencephalographyRisk FactorsParkinson DiseaseDyssomniasAutomobile DrivingWork Schedule ToleranceProspective StudiesHabitsJapanActigraphyBody Mass IndexCohort StudiesIntracellular Signaling Peptides and ProteinsCase-Control StudiesChi-Square DistributionCentral Nervous System StimulantsAge FactorsLogistic ModelsMandibular AdvancementSleep Disorders, IntrinsicRetrospective StudiesAnalysis of VarianceDreamsSomnambulismPositive-Pressure RespirationOcclusal SplintsAccidents, TrafficNocturiaTime FactorsSleep Apnea, CentralAffectTonsillectomySex FactorsPsychomotor PerformanceAttentionTreatment OutcomeCausalityOximetryCognition DisordersSex DistributionElectrooculographyObesityHypnotics and SedativesMelatoninNeuropsychological TestsMyotonic DystrophyReaction TimePsychiatric Status Rating ScalesPatient ComplianceFollow-Up StudiesDouble-Blind MethodRegression Analysis