Sleep, REMSleepPolysomnographySleep StagesSleep DisordersWakefulnessVirus LatencyREM Sleep Behavior DisorderSleep Apnea, ObstructiveSleep Initiation and Maintenance DisordersSleep Apnea SyndromesElectroencephalographyDreamsElectrooculographyArousalNarcolepsyElectromyographyReaction TimePonsCircadian RhythmDisorders of Excessive SomnolenceSleep DeprivationActigraphyCataplexySleep Apnea, CentralSleep ParalysisSleep Disorders, IntrinsicTime FactorsREM Sleep ParasomniasDelta RhythmSleep BruxismSleep Medicine SpecialtyNocturnal Myoclonus SyndromeReticular FormationTegmentum MesencephaliPedunculopontine Tegmental NucleusAnalysis of VarianceSnoringMonomeric GTP-Binding ProteinsVirus ActivationSleep Arousal DisordersHypnotics and SedativesMelatoninCatsSleep-Wake Transition DisordersContinuous Positive Airway PressureOrexin ReceptorsEvoked PotentialsBody TemperatureActivity CyclesRespirationLatency Period (Psychology)