Modvigil 200mg is a brand of Modafinil that belongs to the drug class Modafinil. It is prescribed to treat excessive daytime sleepiness associated with narcolepsy, sleep apnea, or shift work sleep disorder. Modvigil promotes wakefulness, and therefore, people struggling with extreme sleepiness are advised to take it. It is an effective and safe solution with well tolerability. Apart from that, Modvigil is also used to enhance cognitive functions, reduce fatigue, treat ADHD, and minimize the symptoms of depression. However, these are the off-label (non-prescription) use of the Nootropic. People with excessive daytime sleepiness are advised to take Modvigil 200mg dose once in the morning to get wakefulness throughout the day. With faster onset of action the effect of Modvigil lasts for about 12 to 15 hours. More information about Modvigil 200mg.