Continuous Positive Airway PressureSleep Apnea, ObstructivePositive-Pressure RespirationPolysomnographySleep Apnea SyndromesMasksRespiratory Distress Syndrome, NewbornVentilator WeaningPatient ComplianceSleep Apnea, CentralRespiratory InsufficiencyNosePressureHumidityWork of BreathingSleep StagesAirway ResistanceOxygen Inhalation TherapyRespiration, ArtificialTreatment OutcomeIntermittent Positive-Pressure VentilationMandibular AdvancementCheyne-Stokes RespirationAir PressureAirway ObstructionNasal CavityInfant, PrematureInfant, NewbornIntubation, IntratrachealAirway ExtubationVentilators, MechanicalOxygenSyndromeAerophagyPulmonary VentilationOrthodontic Appliances, RemovableRespiratory MechanicsSnoringTidal VolumeNasal ObstructionBlood PressurePharynxSleepPulmonary EdemaRespirationPulmonary Gas ExchangeCross-Over StudiesHeliumIntermittent Positive-Pressure BreathingBronchopulmonary DysplasiaDisorders of Excessive SomnolenceEquipment DesignBlood Gas AnalysisRespiratory Function TestsPartial PressureWakefulness-Promoting AgentsSeverity of Illness IndexDelivery RoomsProspective StudiesPharyngeal MusclesPulmonary AtelectasisCarbon DioxideFlail ChestLung ComplianceUvulaNose Deformities, AcquiredFollow-Up StudiesNurseries, HospitalIntubationIntensive Care, NeonatalIntensive Care Units, NeonatalTime FactorsNight CarePulmonary SurfactantsBronchiolitis, ViralWakefulnessBlood Gas Monitoring, TranscutaneousRespiratory TherapyInfant, Premature, DiseasesSleep, REMLung Volume MeasurementsHypercapniaLong-Term CareInfant, Very Low Birth WeightHeart RateHeatingArousalOrthodontic AppliancesOximetryHigh-Frequency VentilationHeart FailureRespiratory MusclesNose DiseasesEquipment FailureInhalationTracheostomyNasal SeptumPositive-Pressure Respiration, IntrinsicDental EquipmentBlood Pressure Monitoring, Ambulatory