Modalert encompasses an active constituent Modafinil. Modalert 200 can be utilized to treat a condition referred to as narcolepsy wherein an individual has an urge for uncontrollable sleep. This tablet encourages the full swings of wakefulness. It is as well employed to deal with obstructive sleep apnea and dilemmas pertaining to sleep on account of shift work. It tends to be utilized commonly by students, doctors, air force, astronauts, and others who wish or need to stay awake while usually, they must be asleep.