Disclosed is a method and composition for treating CNS disorders in a subject. In an embodiment, the method preferably comprises the ordered steps of identifying a subject having or being predisposed to epilepsy, and orally administering to the subject an AED. The administration preferably comprises an administration regimen of a predetermined quantity of the AED, at a predetermined frequency, and for a predetermined duration. The subject preferably comprises a subject experiencing seizure clusters, WWE, and more especially a WWE of childbearing age. The composition preferably comprises a NAS, and more especially an ENAS. The method preferably results in the prevention, or reduced frequency or magnitude of epileptic seizures.