WakefulnessSleepSleep, REMSleep DisordersPolysomnographySleep StagesSleep Apnea, ObstructiveSleep Apnea SyndromesElectroencephalographySleep Initiation and Maintenance DisordersArousalSleep DeprivationCircadian RhythmNarcolepsyDisorders of Excessive SomnolenceElectromyographyElectrooculographyPonsNeuropeptidesSleep Disorders, IntrinsicOrexin ReceptorsActigraphySleep Apnea, CentralReticular FormationReceptors, NeuropeptidePharyngeal MusclesEpithelial-Mesenchymal TransitionDelta RhythmRespirationPulmonary VentilationCataplexyTime FactorsBenzhydryl CompoundsRespiratory MechanicsDreamsPhase TransitionBody TemperatureTegmentum MesencephaliSnoringSomnambulismTransition ElementsContinuous Positive Airway PressureTransition to Adult CareIntracellular Signaling Peptides and ProteinsSleep BruxismVentilators, Negative-PressureHypnotics and SedativesBrainMicrodialysisDelta Sleep-Inducing PeptideBenzoxazolesNeuronsMelatoninHomeostasisCatsCerebral CortexAnalysis of VarianceCentral Nervous System StimulantsHypothalamic Area, LateralProsencephalonAir PressureNocturnal Myoclonus SyndromeTheta RhythmPharynxBrain WavesFatiguePersistent Vegetative StateCarbon DioxideHypercapniaRespiratory Physiological PhenomenaHypothalamusActivity CyclesThalamusMicroinjectionsRats, Sprague-DawleyUnconsciousnessSleep Disorders, Circadian RhythmBehavior, AnimalSleep Medicine SpecialtySleep Arousal DisordersChemoreceptor CellsTemazepamReaction TimeQuestionnairesSleep ParalysisMotor ActivitySignal Processing, Computer-AssistedREM Sleep Behavior DisorderElectrodes, ImplantedPsychomotor PerformanceSeverity of Illness IndexLocus CoeruleusThermodynamicsTidal VolumeAlpha RhythmSpinocerebellar TractsConsciousnessCalorimetry, Differential ScanningRespiratory MusclesSerotonergic Neurons