Sleep Apnea, ObstructiveSleep Apnea SyndromesPolysomnographySleepContinuous Positive Airway PressureSnoringSleep Apnea, CentralPalate, SoftUvulaMandibular AdvancementSleep, REMPharynxPositive-Pressure RespirationRespirationAdenoidectomyTonsillectomyPulmonary VentilationSleep DisordersSleep StagesDisorders of Excessive SomnolenceWakefulnessSeverity of Illness IndexTonguePharyngeal MusclesAnoxiaAdenoidsRespiratory MechanicsOcclusal SplintsPulmonary Disease, Chronic ObstructiveRespiration, ArtificialOximetryAirway ObstructionOxygenCell RespirationArousalVentilationOrthodontic Appliances, RemovableLung Diseases, ObstructiveOropharynxAirway ResistanceNasal ObstructionBody Mass IndexHypercapniaHyoid BoneCheyne-Stokes RespirationSleep Initiation and Maintenance DisordersCephalometryProspective StudiesObesityTidal VolumeCarbon DioxideTreatment OutcomeOtorhinolaryngologic Surgical ProceduresRisk FactorsRespiratory Function TestsFluid ShiftsMouth BreathingCircadian RhythmSupine PositionPatient ComplianceCase-Control StudiesHypopharynxNoseComorbidityOxygen ConsumptionTime FactorsNoninvasive VentilationNeckQuestionnairesMonitoring, AmbulatoryInhalationMasksHigh-Frequency VentilationAir PressureApneaRespiratory MusclesRespiratory Physiological PhenomenaPrevalencePalatine TonsilIntermittent Positive-Pressure VentilationRhusOrthodontic AppliancesPostureSleep Arousal DisordersObesity Hypoventilation SyndromeNocturnal Myoclonus SyndromeHeart RateRespiratory SystemBlood PressureBlood Gas AnalysisElectroencephalographyVentilators, Negative-PressureFollow-Up StudiesPressureVelopharyngeal InsufficiencyMonitoring, PhysiologicRhinomanometryHypoglossal NerveStatistics, NonparametricJaundice, Obstructive