Provigil is a medicine that is used for wakefulness disorders like narcolepsy, shift work sleeping disorder, and daytime sleepiness. Buy Provigil online, Provigil is also known by the brand name Modafinil. This prescribed is a generic smart medicine that is used for the treatment of reduces and prevents excessive sleepiness caused by sleeping disorders, including narcolepsy and obstructive sleep apnea (OSA).