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 ResistanceSleep Initiation and Maintenance DisordersPulmonary VentilationCephalometryRespiratory MechanicsOxygenObesityOtorhinolaryngologic Surgical ProceduresRisk FactorsProspective StudiesFluid ShiftsPatient ComplianceTreatment OutcomeMouth BreathingCircadian RhythmCase-Control StudiesHypercapniaHypopharynxQuestionnairesComorbidityPrevalenceCheyne-Stokes RespirationSupine PositionNeckMonitoring, AmbulatoryNosePalatine TonsilOrthodontic AppliancesRespiratory Function TestsSleep Arousal DisordersObesity Hypoventilation SyndromeNocturnal Myoclonus SyndromeVelopharyngeal InsufficiencyElectroencephalographyFollow-Up StudiesRhinomanometryPostureHypoglossal NerveRespiratory SystemLaryngopharyngeal RefluxJaundice, ObstructiveBlood PressureObesity, MorbidTime FactorsPalateNarcolepsyHypertensionInhalationStatistics, NonparametricSleep DeprivationRespiratory MusclesCross-Sectional StudiesHeart RateSleep Disorders, IntrinsicMandibleCross-Over StudiesMonitoring, PhysiologicAutomobile DrivingApneaMasksOrthodontic Appliance DesignPressureQuality of LifeRespiratory Physiological Phenomena