WakefulnessNorepinephrineSleepNorepinephrine Plasma Membrane Transport ProteinsSleep, REMSleep StagesSleep DeprivationElectroencephalographyArousalPolysomnographyCircadian RhythmSympathetic Nervous SystemNarcolepsyEpinephrineNeuropeptidesPonsOrexin ReceptorsCatecholaminesElectromyographyAdrenergic Uptake InhibitorsLocus CoeruleusReticular FormationDesipramineReceptors, NeuropeptideMicrodialysisPharyngeal MusclesAdrenergic alpha-AgonistsRats, Sprague-DawleyBenzhydryl CompoundsElectrooculographyDopamine beta-HydroxylaseDisorders of Excessive SomnolenceBlood PressureHeart RatePulmonary VentilationVasoconstrictor AgentsRespirationDopamineRespiratory MechanicsReceptors, Adrenergic, alphaSleep Apnea SyndromesAdrenergic alpha-AntagonistsReceptors, AdrenergicNeuronsMethoxyhydroxyphenylglycolHypothalamusBrainBody TemperatureCataplexyTegmentum MesencephaliAdrenergic NeuronsCatsDose-Response Relationship, DrugSleep Disorders, IntrinsicTime FactorsVentilators, Negative-PressureReceptors, Adrenergic, alpha-2Central Nervous System StimulantsBenzoxazolesTyramineIntracellular Signaling Peptides and ProteinsHypercapniaDelta Sleep-Inducing PeptideSerotoninSleep Apnea, ObstructiveDogsNeurotransmitter AgentsReceptors, Adrenergic, betaSympathomimeticsHypothalamic Area, LateralProsencephalonPersistent Vegetative StateCerebral CortexPhentolaminePropranololVasoconstrictionAdrenergic AgentsAir PressureMicroinjectionsSleep Disorders, Circadian RhythmDelta RhythmSomnambulismBehavior, AnimalBiogenic MonoaminesYohimbineCarbon DioxideAnalysis of VariancePrazosinUnconsciousnessChemoreceptor CellsElectric StimulationReceptors, Adrenergic, alpha-1Adrenergic FibersAdrenergic alpha-2 Receptor AntagonistsHomeostasisReceptors, Histamine H3NormetanephrineConsciousnessNeurotransmitter Uptake InhibitorsSleep Disorders