Sleep Apnea, ObstructivePolysomnographySleep Apnea SyndromesSleepSeverity of Illness IndexContinuous Positive Airway PressureSleep StagesSnoringSleep Apnea, CentralPalate, SoftUvulaMandibular AdvancementSleep, REMPharynxAdenoidectomyTonsillectomyBody Mass IndexSleep DisordersDisorders of Excessive SomnolencePositive-Pressure RespirationWakefulnessTonguePharyngeal MusclesAdenoidsOcclusal SplintsPulmonary Disease, Chronic ObstructiveOximetryAnoxiaArousalAirway ObstructionOrthodontic Appliances, RemovableOropharynxRespirationNasal ObstructionLung Diseases, ObstructiveHyoid BoneSleep Initiation and Maintenance DisordersAirway ResistancePulmonary VentilationCephalometryRespiratory MechanicsOxygenObesityProspective StudiesOtorhinolaryngologic Surgical ProceduresRisk FactorsTreatment OutcomeFluid ShiftsCase-Control StudiesPatient ComplianceMouth BreathingCircadian RhythmHypercapniaHypopharynxComorbidityQuestionnairesSupine PositionCheyne-Stokes RespirationPrevalenceNeckNoseMonitoring, AmbulatoryPalatine TonsilRespiratory Function TestsOrthodontic AppliancesNocturnal Myoclonus SyndromeSleep Arousal DisordersObesity Hypoventilation SyndromeFollow-Up StudiesVelopharyngeal InsufficiencyElectroencephalographyRhinomanometryPostureTime FactorsRespiratory SystemHypoglossal NerveJaundice, ObstructiveLaryngopharyngeal RefluxBlood PressureObesity, MorbidStatistics, NonparametricPalate