Modvigil, a popular brand of Modafinil (Provigil), is primarily used to promote wakefulness in individuals with sleep disorders such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder. It enhances alertness, concentration, and cognitive function. Modvigil is also used off-label to manage fatigue in conditions like chronic fatigue syndrome. For details on Modvigil, read this blog.