PolysomnographySleep Apnea, ObstructiveSleep Apnea SyndromesSleep StagesSleepSleep DisordersSleep, REMSnoringContinuous Positive Airway PressureDisorders of Excessive SomnolenceSleep Initiation and Maintenance DisordersNocturnal Myoclonus SyndromeAdenoidectomySleep Apnea, CentralActigraphyTonsillectomyParasomniasWakefulnessOximetryArousalSeverity of Illness IndexNarcolepsyCheyne-Stokes RespirationMonitoring, AmbulatoryPositive-Pressure RespirationSomnambulismHypoventilationRespirationMandibular AdvancementRhinomanometryUvulaRestless Legs SyndromeApneaSleep DeprivationAzabicyclo CompoundsBody Mass IndexCircadian RhythmMonitoring, PhysiologicElectroencephalographyRespiration DisordersSleep Disorders, Circadian RhythmPalate, SoftProspective StudiesDelta RhythmPierre Robin SyndromeCataplexyDyssomniasDiagnosis, Computer-AssistedSensitivity and SpecificityQuestionnairesKleine-Levin SyndromeSleep Arousal DisordersPharynxHypnotics and SedativesOxygenREM Sleep Behavior DisorderElectrooculographyNasal ObstructionAdenoidsReproducibility of ResultsFluid ShiftsAirway ObstructionComorbidityPulmonary VentilationOropharynxTreatment OutcomeInsomnia, Fatal FamilialPlethysmography, ImpedanceCase-Control StudiesOrthodontic Appliances, RemovablePrevalenceSignal Processing, Computer-AssistedDreamsEquipment DesignCross-Sectional StudiesTrazodoneSupine PositionAirway ResistanceTransducers, PressureAnoxiaOrthodontic AppliancesHeart RateFatigueNeckFollow-Up StudiesNoseCephalometryElectromyographyAnalysis of VariancePredictive Value of TestsWristStatistics, NonparametricInhalationRespiratory Physiological PhenomenaPalatine TonsilOxyhemoglobinsPlacebo EffectReference ValuesSudden Infant DeathROC Curve