Continuous Positive Airway PressurePressure UlcerSleep Apnea, ObstructivePositive-Pressure RespirationPolysomnographySleep Apnea SyndromesMasksRespiratory Distress Syndrome, NewbornPressureVentilator WeaningPatient ComplianceSleep Apnea, CentralRespiratory InsufficiencyNoseHumidityWork of BreathingBlood PressureSleep StagesAirway ResistanceRespiration, ArtificialAir PressureOxygen Inhalation TherapyTreatment OutcomeIntermittent Positive-Pressure VentilationMandibular AdvancementCheyne-Stokes RespirationAirway ObstructionNasal CavityInfant, PrematureIntubation, IntratrachealAirway ExtubationInfant, NewbornOxygenVentilators, MechanicalPulmonary VentilationAerophagyRespiratory MechanicsOrthodontic Appliances, RemovableTidal VolumeSnoringNasal ObstructionPharynxSleepPulmonary EdemaRespirationCross-Over StudiesPulmonary Gas ExchangeHeliumEquipment DesignIntermittent Positive-Pressure BreathingBlood Gas AnalysisBronchopulmonary DysplasiaDisorders of Excessive SomnolenceRespiratory Function TestsWakefulness-Promoting AgentsPartial PressureSeverity of Illness IndexProspective StudiesDelivery RoomsCarbon DioxidePharyngeal MusclesPulmonary AtelectasisLung ComplianceFlail ChestTime FactorsFollow-Up StudiesUvulaNose Deformities, AcquiredIntubationNurseries, HospitalIntensive Care, NeonatalIntensive Care Units, NeonatalNight CarePulmonary SurfactantsHeart RateBlood Gas Monitoring, TranscutaneousBronchiolitis, ViralWakefulnessRespiratory TherapyLung Volume MeasurementsInfant, Premature, DiseasesBlood Pressure Monitoring, AmbulatorySleep, REMHypercapniaLong-Term CareInfant, Very Low Birth WeightHeatingArousalHeart FailureRespiratory MusclesOximetryOrthodontic AppliancesHypertensionHigh-Frequency VentilationInhalationNose DiseasesEquipment FailureTracheostomyPositive-Pressure Respiration, IntrinsicNasal Septum