Sleep Apnea, ObstructiveSleep Apnea SyndromesPolysomnographySleepContinuous Positive Airway PressureSnoringSleep Apnea, CentralPalate, SoftUvulaMandibular AdvancementSleep, REMPharynxAdenoidectomyTonsillectomySleep DisordersSleep StagesDisorders of Excessive SomnolencePositive-Pressure RespirationWakefulnessSeverity of Illness IndexTonguePharyngeal MusclesAdenoidsOcclusal SplintsPulmonary Disease, Chronic ObstructiveOximetryAnoxiaArousalOrthodontic Appliances, RemovableAirway ObstructionOropharynxRespirationNasal ObstructionBody Mass IndexLung Diseases, ObstructiveHyoid BoneAirway ResistancePulmonary VentilationSleep Initiation and Maintenance DisordersRisk FactorsCephalometryRespiratory MechanicsOxygenObesityProspective StudiesOtorhinolaryngologic Surgical ProceduresTreatment OutcomeFluid ShiftsPatient ComplianceCase-Control StudiesMouth BreathingCircadian RhythmHypercapniaHypopharynxComorbidityCheyne-Stokes RespirationSupine PositionQuestionnairesPrevalenceNeckNoseMonitoring, AmbulatoryPalatine TonsilOrthodontic AppliancesRespiratory Function TestsSleep Arousal DisordersObesity Hypoventilation SyndromeNocturnal Myoclonus SyndromeFollow-Up StudiesVelopharyngeal InsufficiencyElectroencephalographyRhinomanometryPostureHypoglossal NerveRespiratory SystemTime FactorsLaryngopharyngeal RefluxJaundice, ObstructiveBlood PressureObesity, MorbidPalateNarcolepsyHypertensionInhalationStatistics, NonparametricSleep DeprivationRespiratory MusclesHeart RateSleep Disorders, IntrinsicCross-Sectional StudiesCross-Over StudiesMonitoring, PhysiologicMandibleAutomobile DrivingApneaOrthodontic Appliance DesignMasksPressureRetrospective StudiesRespiratory Physiological Phenomena