Sleep Medicine SpecialtySleep Apnea, ObstructiveSleepPolysomnographySleep Apnea SyndromesContinuous Positive Airway PressureSleep DisordersSnoringSleep, REMMandibular AdvancementSleep Apnea, CentralPalate, SoftUvulaOrthodontic Appliances, RemovablePharynxSleep StagesAdenoidectomyTonsillectomyWakefulnessDisorders of Excessive SomnolenceSleep Initiation and Maintenance DisordersPositive-Pressure RespirationSeverity of Illness IndexSleep BruxismTonguePharyngeal MusclesAdenoidsArousalOcclusal SplintsSpecialty BoardsMedicinePulmonary Disease, Chronic ObstructiveAnoxiaOximetrySpecializationAirway ObstructionRespirationCertificationQuestionnairesBody Mass IndexOropharynxNocturnal Myoclonus SyndromeNasal ObstructionLung Diseases, ObstructiveSleep Disorders, Circadian RhythmHyoid BoneNarcolepsyActigraphyPulmonary VentilationAirway ResistanceCircadian RhythmRespiratory MechanicsProspective StudiesCephalometryRisk FactorsOxygenTreatment Outcome