As one of the essential circumstances for which Modalert 200 was created, narcolepsy is described by wild episodes of rest during the day. Modafinil's capacity to advance attentiveness can assist people with narcolepsy deal with their side effects and keep a more customary rest wake cycle. Modafinil is remembered to upgrade the arrival of specific synapses, including dopamine, norepinephrine, and receptor. These synapses assume pivotal parts in keeping up with attentiveness and sharpness.