TonguePharyngeal MusclesHypoglossal NerveAir PressureElectromyographyRespiratory MusclesRespiratory MechanicsWakefulnessSleepMotor NeuronsMuscle, SkeletalMusclesRespirationCarbon DioxideMuscle ProteinsMuscle, SmoothDiaphragmMuscle Fibers, SkeletalNeck MusclesMuscle ContractionMuscle, Smooth, VascularInhalationMuscle DevelopmentRespiratory Physiological PhenomenaPalatal MusclesPharynxVentilators, Negative-PressureSleep Apnea, ObstructiveElectrooculographyMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationRecruitment, NeurophysiologicalGlycopyrrolateMuscle Fibers, Slow-TwitchAzabicyclo CompoundsMyocytes, Smooth MuscleMitochondria, MuscleAirway ResistanceUnconsciousnessReflexOculomotor MusclesDeglutitionRespiratory SystemMuscle, StriatedMuscle SpindlesElectrodes, ImplantedMuscle RelaxationPolysomnographyMuscle WeaknessPapillary MusclesSleep, REMTransducersAirway ObstructionVagotomyAbdominal MusclesElectroencephalographyQuadriceps MuscleMuscle CellsNeuromuscular BlockadeHypercapniaHypnotics and SedativesMasseter MuscleNeostigminePulmonary VentilationElectric StimulationFacial MusclesRats, WistarMasticatory MusclesPressureIntercostal MusclesExhalationAnoxiaMicrodialysisRats, Sprague-DawleyMuscular AtrophyContinuous Positive Airway PressureIsometric ContractionTidal VolumeSatellite Cells, Skeletal MuscleElectric Stimulation TherapyMuscarinic AntagonistsPectoralis MusclesHistamine AgonistsSleep StagesTime FactorsMovementTracheostomyMuscular DiseasesArousalAction PotentialsAnesthesiaPsoas MusclesTranscranial Magnetic StimulationAnesthetics, IntravenousPropofolMyofibrilsTemporal MuscleHindlimbSleep Apnea Syndromes