Supine PositionProne PositionPatient PositioningPostureBehavior, AnimalTilt-Table TestHead-Down TiltFeeding BehaviorHeart RateSupinationHypotension, OrthostaticNephrostomy, PercutaneousGravitationHealth BehaviorSocial BehaviorBlood PressureRespiratory MechanicsBehaviorAutonomic Nervous SystemRespirationSexual BehaviorIndoraminMovementValsalva ManeuverSexual Behavior, AnimalPressureSyncopeBaroreflexTime FactorsDizzinessChild BehaviorHemodynamicsSyncope, VasovagalExploratory BehaviorExpiratory Reserve VolumeCardiac OutputTidal VolumeLegSudden Infant DeathPulmonary Gas ExchangeAdolescent BehaviorSleepFluid ShiftsReference ValuesHeadLung Volume MeasurementsOxygenPalate, SoftTechnetium Tc 99m Aggregated AlbuminRestEsophagusEsophageal pH MonitoringPulmonary CirculationChild Behavior DisordersMaternal BehaviorBehavior TherapyThoracic WallMolecular Sequence DataSleep ParalysisFunctional Residual CapacityBlood Flow VelocityInhalationLungDiaphragmRibsPharynxCarbon DioxideAutonomic Nervous System DiseasesStereotyped BehaviorExerciseBedsAirway ResistancePlethysmographyAnalysis of VarianceVentilators, Negative-PressureCentral Venous PressureProspective StudiesElectrocardiographyPneumoperitoneum, ArtificialTongueReproducibility of ResultsRegional Blood FlowVenous PressurePelvisLymphatic IrradiationEsophageal Motility DisordersAirway ObstructionPulmonary VentilationVeinsRespiratory MusclesTotal Lung CapacitySpineBlood VolumeSleep Apnea, ObstructivePolysomnographyBiomechanical PhenomenaVascular ResistanceAggressionAnesthesia, SpinalRespiration, Artificial