HomeostasisSleep DeprivationSpace SimulationWakefulnessSleepSleep, REMSleep StagesNeuronsSynapsesExcitatory Postsynaptic PotentialsNeuronal PlasticityElectroencephalographyCircadian RhythmSynaptic TransmissionModels, NeurologicalModels, BiologicalNerve NetMice, KnockoutAction PotentialsMice, Inbred C57BLRats, Sprague-DawleyTime FactorsSignal TransductionPatch-Clamp TechniquesBrainCells, CulturedMice, TransgenicGene Expression RegulationRNA, MessengerMutation