Modalert tablet is a generic form for narcolepsy patients. The main ingredient in Modalert 200mg tablets is modafinil which comes in 100mg and 200mg doses. Modalert is the most efficient generic brand available. Modalert is frequently used to treat excessive sleepiness caused by sleep disorders or Narcolepsy. This wakefulness-promoting medication is useful for keeping you awake during work hours, especially if you have a strict work schedule that could easily disrupt your sleeping routine like shift work, etc.