One drug used to treat narcolepsy, a disorder that causes excessive drowsiness, is Provigil/Modafinil. Narcolepsy is a form of sleep disorder that causes fatigue throughout the day by interfering with the brain’s capacity to control wakefulness and sleep. Provigil is available in many dosages, including 100 and 200 mg. In the US market, Provigil is available for purchase online at a discounted cost. !!! For More Information: Contact: contact@careskit.com !!!