Narcolepsy is a major sleep disorder in which people experience chronic sleepiness during the daytime. People suffering from this problem sleep randomly at any time of the day, for periods lasting for more than a minute to an hour. The sleep disorder impacts the professional as well as personal lives of people and leads to serious health complications. Narcolepsy can be treated with the prescribed dose of a wakefulness-promoting drug called Modafinil. Besides narcolepsy, Modafinil is also utilized for the treatment of different sleep disorders