Smartfinil 200mg a generic variant of modafinil, is often used to treat narcolepsy, a persistent sleep disorder characterised by excessive daytime drowsiness. Smartfinil promotes wakefulness, allowing people with narcolepsy to be awake and attentive during the day. It works by raising dopamine levels in the brain, which improves cognitive performance while decreasing weariness. It is used once daily, generally in the morning, and assists patients to maintain a more regular sleep-wake pattern.