Acknowledging Modalert The NDRI medication class includes the non-dopaminergic stimulant modalert. Narcolepsy, as well as other sleep disorders such excessive daytime sleepiness and sleep apnea, are all treated with the drug modalert. Eugeroic modafinil is also referred to as a wakefulness booster. Additionally, Parkinson's disease and multiple sclerosis have been treated with it, but no...