Continuous Positive Airway PressureSleep Apnea, ObstructivePositive-Pressure RespirationPolysomnographySleep Apnea SyndromesMasksRespiratory Distress Syndrome, NewbornVentilator WeaningPatient ComplianceSleep Apnea, CentralRespiratory InsufficiencyNosePressureHumidityWork of BreathingSleep StagesAirway ResistanceOxygen Inhalation TherapyRespiration, ArtificialIntermittent Positive-Pressure VentilationTreatment OutcomePulmonary EdemaMandibular AdvancementCheyne-Stokes RespirationAir PressureAirway ObstructionNasal CavityInfant, PrematureIntubation, IntratrachealAirway ExtubationInfant, NewbornVentilators, MechanicalOxygenAerophagyPulmonary VentilationOrthodontic Appliances, RemovableRespiratory MechanicsInflammationSnoringTidal VolumeNasal ObstructionBlood PressurePharynxSleepRespirationPulmonary Gas ExchangeCross-Over StudiesHeliumIntermittent Positive-Pressure BreathingBronchopulmonary DysplasiaBlood Gas AnalysisDisorders of Excessive SomnolenceEquipment DesignRespiratory Function TestsEdemaPartial PressureWakefulness-Promoting AgentsSeverity of Illness IndexDelivery RoomsProspective StudiesPharyngeal MusclesPulmonary AtelectasisCarbon DioxideLung ComplianceFlail ChestUvulaTime FactorsNose Deformities, AcquiredFollow-Up StudiesNurseries, HospitalIntubationIntensive Care, NeonatalIntensive Care Units, NeonatalNight CarePulmonary SurfactantsBronchiolitis, ViralBlood Gas Monitoring, TranscutaneousWakefulnessRespiratory TherapyInfant, Premature, DiseasesLung Volume MeasurementsSleep, REMHypercapniaLong-Term CareInfant, Very Low Birth WeightHeart RateHeatingArousalOrthodontic AppliancesOximetryHeart FailureHigh-Frequency VentilationRespiratory MusclesNose DiseasesEquipment FailureInhalationNasal SeptumTracheostomyPositive-Pressure Respiration, IntrinsicDental Equipment