Sleep Apnea, ObstructiveSleep Apnea SyndromesSleep Apnea, CentralPolysomnographyContinuous Positive Airway PressureSnoringSeverity of Illness IndexRespirationPalate, SoftUvulaSleepMandibular AdvancementPharynxSymptom AssessmentDepressionPositive-Pressure RespirationDisorders of Excessive SomnolenceQuestionnairesAdenoidectomyTreatment OutcomeTonsillectomyProspective StudiesRespiratory MechanicsAnoxiaOximetryAirway ObstructionSleep, REMRisk FactorsPrevalenceWakefulnessCheyne-Stokes RespirationTime FactorsArousalFollow-Up StudiesTongueOxygenPulmonary VentilationPharyngeal MusclesQuality of LifePsychiatric Status Rating ScalesRespiration DisordersBehavioral SymptomsCross-Sectional StudiesNasal ObstructionOcclusal SplintsSleep DisordersBradycardiaComorbidityBody Mass IndexHypercapniaRetrospective StudiesAdenoidsOrthodontic Appliances, RemovableFatigueCase-Control StudiesOropharynxHeart RateCarbon DioxideAirway ResistanceAnxietyAffective SymptomsGastroesophageal RefluxMonitoring, PhysiologicDepressive DisorderAge FactorsDivingObesityPatient ComplianceLongitudinal StudiesLaryngeal NervesCohort StudiesLarynxNoseRespiratory Physiological PhenomenaMonitoring, AmbulatoryAnalysis of VarianceSex FactorsChemoreceptor CellsNeckHyoid BoneBlood PressureAsthmaChronic DiseaseSupine PositionStatistics, NonparametricCephalometryStress Disorders, Post-TraumaticHypocapniaInfant, NewbornHypoventilationSleep Initiation and Maintenance DisordersPredictive Value of TestsHypopharynxElectroencephalographySleep Disorders, IntrinsicCoughSensitivity and SpecificityMagnetic Resonance ImagingReproducibility of ResultsRespiratory System