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 VentilationMandibular AdvancementTreatment OutcomeCheyne-Stokes RespirationAir PressureAirway ObstructionNasal CavityInfant, PrematureAirway ExtubationIntubation, IntratrachealInfant, NewbornVentilators, MechanicalOxygenAerophagyPulmonary VentilationOrthodontic Appliances, RemovableRespiratory MechanicsSnoringTidal VolumeNasal ObstructionBlood PressurePharynxSleepPulmonary EdemaRespirationPulmonary Gas ExchangeHeliumIntermittent Positive-Pressure BreathingCross-Over StudiesBronchopulmonary DysplasiaDisorders of Excessive SomnolenceEquipment DesignBlood Gas AnalysisRespiratory Function TestsWakefulness-Promoting AgentsPartial PressureDelivery RoomsSeverity of Illness IndexProspective StudiesPharyngeal MusclesPulmonary AtelectasisCarbon DioxideFlail ChestLung ComplianceUvulaNose Deformities, AcquiredNurseries, HospitalIntubationIntensive Care, NeonatalIntensive Care Units, NeonatalNight CareFollow-Up StudiesPulmonary SurfactantsTime FactorsBronchiolitis, ViralBlood Gas Monitoring, TranscutaneousWakefulnessRespiratory TherapyInfant, Premature, DiseasesLung Volume MeasurementsSleep, REMHypercapniaLong-Term CareInfant, Very Low Birth WeightHeatingHeart RateArousalOrthodontic AppliancesOximetryHigh-Frequency VentilationRespiratory MusclesHeart FailureNose DiseasesEquipment FailureInhalationNasal SeptumTracheostomyPositive-Pressure Respiration, IntrinsicDental EquipmentBlood Pressure Monitoring, AmbulatoryTransportation of Patients