Electroencephalography Phase SynchronizationBrain WavesCortical SynchronizationCircadian RhythmBiological ClocksPeriodicityElectroencephalographyBrainBrain ChemistryBrain InjuriesBrain NeoplasmsBrain MappingBrain StemSuprachiasmatic NucleusBrain EdemaPeriod Circadian ProteinsBrain IschemiaCircadian Rhythm Signaling Peptides and ProteinsActivity CyclesMagnetic Resonance ImagingPhotoperiodSleep Disorders, Circadian RhythmNeuronsCircadian ClocksBrain AbscessAlpha RhythmCLOCK ProteinsAtrial FibrillationCerebral CortexTime FactorsARNTL Transcription FactorsHypoxia, BrainRats, Sprague-DawleyBlood-Brain BarrierChronobiology DisordersDarknessLightBody TemperatureNerve NetElectric CountershockBrain Damage, ChronicBehavior, AnimalHippocampusBrain InfarctionAnimals, NewbornDeep Brain StimulationNerve Tissue ProteinsImage Processing, Computer-AssistedBeta RhythmMice, Inbred C57BLElectrocardiographySleepRats, WistarNeural PathwaysRNA, MessengerDisease Models, AnimalCryptochromesMotor ActivityAnti-Arrhythmia AgentsAnalysis of VarianceModels, NeurologicalHeart RateTissue DistributionAgingImmunohistochemistryCerebrovascular CirculationAlzheimer DiseaseMolecular Sequence DataCerebellumGene Expression RegulationAstrocytesJet Lag SyndromeDelta RhythmArrhythmias, CardiacHeart Conduction SystemCatheter AblationHypothalamusHeart AtriaElectrophysiologyAccelerated Idioventricular RhythmThalamusMice, KnockoutNeuropeptidesFunctional LateralityMice, TransgenicOrgan SpecificityFeeding BehaviorOscillometryChronobiology PhenomenaBrain Injury, ChronicLocomotionCardiac Pacing, ArtificialMedulla OblongataSerotoninCognitionAmino Acid SequenceSeptum of BrainRats, Inbred StrainsTreatment OutcomeModels, Biological