Sleep Apnea, ObstructiveSleep Apnea SyndromesPolysomnographyHeart FailureSleepContinuous Positive Airway PressureSnoringSleep Apnea, CentralPalate, SoftUvulaMandibular AdvancementSleep, REMPharynxAdenoidectomyTonsillectomySleep DisordersSleep StagesDisorders of Excessive SomnolencePositive-Pressure RespirationSeverity of Illness IndexHeartWakefulnessTonguePharyngeal MusclesHeart RateAdenoidsOcclusal SplintsPulmonary Disease, Chronic ObstructiveAnoxiaOximetryArousalRespirationOrthodontic Appliances, RemovableAirway ObstructionOropharynxBody Mass IndexNasal ObstructionTreatment OutcomeProspective StudiesLung Diseases, ObstructiveRisk FactorsHyoid BonePulmonary VentilationOxygenAirway ResistanceRespiratory MechanicsSleep Initiation and Maintenance DisordersCephalometryObesityCase-Control StudiesOtorhinolaryngologic Surgical ProceduresFollow-Up StudiesCheyne-Stokes RespirationPatient ComplianceFluid ShiftsTime FactorsComorbidityCircadian RhythmMouth BreathingHypercapniaPrevalenceHypopharynxQuestionnairesSupine PositionCardiac Output, LowMonitoring, AmbulatoryBlood PressureNeckNoseRespiratory Function TestsPalatine TonsilHeart Failure, SystolicOrthodontic AppliancesChronic DiseaseRetrospective StudiesObesity Hypoventilation SyndromeNocturnal Myoclonus SyndromeSleep Arousal DisordersHypertensionStroke VolumePostureStatistics, NonparametricVelopharyngeal InsufficiencyElectroencephalographyRhinomanometryRespiratory SystemHypoglossal NervePredictive Value of TestsCross-Over StudiesRespiratory MusclesHemodynamicsLaryngopharyngeal RefluxJaundice, ObstructiveMonitoring, PhysiologicObesity, MorbidVentricular Function, LeftQuality of LifeInhalationPalateVentricular Dysfunction, Left