Modvigil 200mg is a popular brand of the medication Modafinil. It is a prescription medicine for treating excessive daytime sleepiness associated with narcolepsy, sleep apnea, or shift work disorder. It promotes wakefulness and helps to stay awake and alert during the daytime. Moreover, it helps to improve concentration, focus, decision-making ability, and productivity. For safe and better results take the medication after consulting a healthcare professional and follow the medication as directed.