SleepWakefulnessSleep, REMCLOCK ProteinsCircadian RhythmCircadian ClocksSleep DisordersBiological ClocksChronobiology DisordersSleep Disorders, Circadian RhythmPolysomnographyActigraphySleep DeprivationArousalSleep StagesElectroencephalographyOrexin ReceptorsSleep Initiation and Maintenance DisordersNarcolepsySleep Apnea, ObstructiveSleep Apnea SyndromesJet Lag SyndromePeriod Circadian ProteinsReceptors, NeuropeptideARNTL Transcription FactorsCataplexyNeuropeptidesMelatoninElectromyographyBody TemperatureMonitoring, AmbulatoryFatigueTime FactorsCryptochromesHypnotics and SedativesWork Schedule TolerancePhotoperiodMotor ActivityBehavior, AnimalIntracellular Signaling Peptides and ProteinsFlight, AnimalLocomotionCircadian Rhythm Signaling Peptides and ProteinsDisorders of Excessive SomnolenceElectrooculographyReceptors, G-Protein-CoupledSwimmingQuestionnairesDelta RhythmNeuronsSleep Apnea, CentralBrainLightSleep BruxismDarknessSleep Disorders, IntrinsicNuclear Receptor Subfamily 1, Group D, Member 1Mice, Inbred C57BLWater MovementsActivity CyclesNocturnal Myoclonus SyndromeRheologyFlavoproteinsSleep Phase ChronotherapySleep Medicine SpecialtySleep Arousal DisordersBiomechanical PhenomenaSnoringReproducibility of ResultsMice, TransgenicHydrodynamicsAnalysis of VarianceSleep ParalysisAir MovementsDreamsREM Sleep Behavior DisorderWingBasic Helix-Loop-Helix Transcription FactorsSomnambulismPeriodicityHabitsModels, BiologicalContinuous Positive Airway PressureWindSeverity of Illness IndexFeedback, PhysiologicalHomeostasisDrosophila ProteinsVideo RecordingGene Expression RegulationAzabicyclo CompoundsTranscription FactorsBedsPhotoreceptor Cells, InvertebratePhototherapyE-Box ElementsTailAnimal StructuresAnguillaChronobiology Phenomena