Modafinil, also referred to by its brand name Provigil, is a eugeroics medication that acts as a central nervous system stimulant. Initially developed to treat sleep disorders such as narcolepsy, Modafinil soon gained recognition for its ability to significantly enhance wakefulness, focus, and cognitive abilities in healthy individuals as well. This wonder drug works by stimulating certain neurotransmitters in the brain, including dopamine, histamine, and orexin, leading to heightened alertness and improved cognitive function.