WakefulnessSleepCircadian RhythmSleep, REMSuprachiasmatic NucleusSleep DisordersPeriod Circadian ProteinsCircadian ClocksChronobiology DisordersPhotoperiodBiological ClocksCLOCK ProteinsArylalkylamine N-AcetyltransferasePineal GlandARNTL Transcription FactorsPolysomnographySleep StagesDarknessElectroencephalographySleep Apnea, ObstructiveSleep Apnea SyndromesMelatoninSleep Initiation and Maintenance DisordersLightArousalSleep DeprivationBody TemperaturePeriodicityMotor ActivityCryptochromesNarcolepsyTime FactorsFeeding BehaviorElectromyographyDisorders of Excessive SomnolenceMesocricetusBehavior, AnimalPonsReceptors, Vasoactive Intestinal Peptide, Type IINeuropeptidesElectrooculographySleep Disorders, IntrinsicOrexin ReceptorsVasoactive Intestinal PeptideNeuronsDelta RhythmActigraphyActivity CyclesSleep Apnea, CentralSleep Disorders, Circadian RhythmReticular FormationReceptors, NeuropeptideRespirationPharyngeal MusclesRespiratory MechanicsPulmonary VentilationAlpha RhythmCataplexyGene Expression RegulationBenzhydryl CompoundsMice, Inbred C57BLDreamsRats, WistarDrosophila ProteinsRNA, MessengerTegmentum MesencephaliAnalysis of VarianceBrainCricetinaeSnoringSomnambulismCircadian Rhythm Signaling Peptides and ProteinsHypnotics and SedativesContinuous Positive Airway PressureMicrodialysisCatsSleep BruxismVentilators, Negative-PressureIntracellular Signaling Peptides and ProteinsActivities of Daily LivingCerebral CortexDelta Sleep-Inducing PeptideFatigueHomeostasisCentral Nervous System StimulantsHypothalamusRats, Sprague-DawleyBenzoxazolesHypothalamic Area, LateralNuclear ProteinsRespiratory Physiological PhenomenaProsencephalonThalamusAir PressureNocturnal Myoclonus SyndromeRetinaCarbon DioxideTheta RhythmHypercapniaPharynx