WakefulnessDisorders of Excessive SomnolenceNarcolepsyPolysomnographySleep Apnea, ObstructiveSleepSleep, REMSleep StagesSleep DeprivationElectroencephalographyArousalCircadian RhythmNeuropeptidesPonsOrexin ReceptorsElectromyographyReticular FormationReceptors, NeuropeptidePharyngeal MusclesElectrooculographyBenzhydryl CompoundsPulmonary VentilationRespiratory MechanicsRespirationSleep Apnea SyndromesCataplexyTegmentum MesencephaliIntracellular Signaling Peptides and ProteinsSleep Disorders, IntrinsicVentilators, Negative-PressureMicrodialysisBenzoxazolesMaintenanceTime FactorsBody TemperatureDelta Sleep-Inducing PeptideHypercapniaNeuronsPersistent Vegetative StateProsencephalonCatsAir PressureHomeostasisSleep Disorders, Circadian RhythmHypothalamic Area, LateralBrainDelta RhythmCentral Nervous System StimulantsSomnambulismSleep Initiation and Maintenance DisordersMaintenance ChemotherapyHypothalamusUnconsciousnessCerebral CortexSleep DisordersTheta RhythmMicroinjectionsCarbon Dioxide