Wakefulness-Promoting AgentsReceptors, Adrenergic, alpha-2Purinergic P1 Receptor AgonistsSerotonin Receptor AgonistsDopamine AgonistsSerotonin 5-HT1 Receptor AgonistsSerotonin 5-HT2 Receptor AgonistsAdenosine A1 Receptor AgonistsDose-Response Relationship, DrugGABA AgonistsGABA-A Receptor AgonistsAdenosine A2 Receptor AgonistsAdrenergic alpha-2 Receptor AgonistsGABA-B Receptor AgonistsCannabinoid Receptor AgonistsRats, Sprague-DawleySerotonin 5-HT4 Receptor AgonistsPurinergic P2 Receptor AgonistsReceptors, Adrenergic, alphaalpha 1-AntitrypsinReceptors, Opioid, kappaAdrenergic alpha-AgonistsAdenosine A3 Receptor AgonistsHistamine AgonistsAdenosineNicotinic AgonistsMuscarinic AgonistsReceptors, Opioid, muSerotonin AntagonistsTime FactorsRats, WistarPhenethylaminesReceptors, Dopamine D22,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineAdrenergic beta-3 Receptor AgonistsHypoxia-Inducible Factor 1, alpha SubunitAdrenergic AgonistsReceptors, Purinergic P1Receptors, Opioid, deltaQuinpiroleBaclofenExcitatory Amino Acid AgonistsBenzazepinesPiperidinesReceptors, Dopamine D1Radioligand AssaySignal TransductionAdrenergic beta-Agonists8-Hydroxy-2-(di-n-propylamino)tetralinEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Receptor, Adenosine A2ACells, CulturedCannabinoidsReceptors, Adrenergic, alpha-1alpha7 Nicotinic Acetylcholine ReceptorReceptors, OpioidMuscimolAdrenergic alpha-1 Receptor AgonistsPyrrolidinesMice, Inbred C57BLCalciumLigandsNaphthalenesReceptors, SerotoninReceptors, NicotinicDrug InteractionsClonidineCyclic AMPSerotoninCholinergic AgonistsAdenosine-5'-(N-ethylcarboxamide)Pyridines