Modvigil 200 mg works by influencing the natural chemicals in the brain that control the cycle of sleep and wakefulness, making it easier to stay awake. As a result, it promotes alertness and focus throughout the day, which is beneficial for studying or working on challenging assignments. This medication, which promotes wakefulness, is used to treat sleep disorders such shift work sleep disorder (SWSD) and narcolepsy. It not only encourages wakefulness but also keeps people moving throughout the day.