Wakefulness-Promoting AgentsReceptors, Adrenergic, alpha-2Electric StimulationElectric Stimulation TherapyStimulation, Chemicalalpha 1-AntitrypsinReceptors, Adrenergic, alphaPhysical StimulationDeep Brain StimulationTranscranial Magnetic StimulationHypoxia-Inducible Factor 1, alpha SubunitSignal TransductionCells, CulturedTime FactorsKineticsalpha7 Nicotinic Acetylcholine Receptor