Modafinil pills in generic form for narcolepsy patients. Modafinil 200mg is typically sold under the trade name Modalert and comes in 100- and 200-mg doses. Modalert is the most efficient generic brand available. Modafinil 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.