What is Modvigil? Modvigil 200 is a nootropic representative of adrenergic agents ( central nervous system stimulants) that promotes wakefulness and is helpful for individuals who have excessive sleepiness in obstructive sleep apnea, narcolepsy, and shift work sleep disorder. Modvigil 200 is the first choice for combating narcolepsy, shift work disorder, and excessive daytime sleepiness. How...