Circadian RhythmCircadian ClocksCLOCK ProteinsPeriod Circadian ProteinsLightingARNTL Transcription FactorsBiological ClocksCryptochromesCircadian Rhythm Signaling Peptides and ProteinsSuprachiasmatic NucleusPhotoperiodNuclear Receptor Subfamily 1, Group D, Member 1LightFlavoproteinsSleep Disorders, Circadian RhythmHeteropteraBasic Helix-Loop-Helix Transcription FactorsGene Expression RegulationChronobiology DisordersDarknessPituitary Gland, IntermediateTranscription FactorsNuclear ProteinsMelatoninMotor ActivityCell Cycle ProteinsJet Lag SyndromeActivity CyclesTrans-ActivatorsArabidopsis ProteinsGene Expression Regulation, PlantPineal GlandArabidopsisRNA, MessengerCasein Kinase IepsilonFeedback, PhysiologicalPhotoreceptor Cells, InvertebratePeriodicityTime FactorsDrosophila ProteinsE-Box ElementsMice, Inbred C57BLMutationChronobiology PhenomenaSleepBody TemperatureOscillometryNeurospora crassaSynechococcusGene Expression ProfilingMolecular Sequence DataCasein Kinase IdeltaNuclear Receptor Subfamily 1, Group F, Member 1Light Signal TransductionReverse Transcriptase Polymerase Chain ReactionDrug ChronotherapyModels, BiologicalBehavior, AnimalEye ProteinsChronotherapyArylalkylamine N-AcetyltransferaseDrosophilaFeeding BehaviorLuciferasesAnimals, Genetically ModifiedMammalsDrosophila melanogasterRod OpsinsWakefulnessMesocricetusPhototherapyNIH 3T3 CellsTranscription, GeneticLuminescenceFlowersNeurosporaTemperatureNeuropeptidesSleep DeprivationGenes, PlantNeuronsLuminescent MeasurementsLocomotionHypocotylGenes, InsectGene ExpressionCyanobacteriaReceptors, MelatoninFeedbackMice, KnockoutLiverInsect ProteinsPromoter Regions, GeneticReceptors, G-Protein-CoupledCasein Kinase IMoonReceptors, Vasoactive Intestinal Peptide, Type IISignal TransductionPhytochromePhenotype