<p data-start="0" data-end="372">Modafinil, including brand names like Modvigil 200, is often prescribed for narcolepsy to help reduce excessive daytime sleepiness. The usual dosage for adults with narcolepsy is 200 mg once daily, typically in the morning, to avoid interfering with nighttime sleep. If you're taking Modvigil 200, it&rsquo;s important to follow your doctor&rsquo;s specific instructions.



<p data-start="374" data-end="641" data-is-last-node="" data-is-only-node="">Never take more than prescribed, as higher doses can increase the risk of side effects like headaches, nausea, or anxiety. Always consult your doctor about any changes in your symptoms or if you experience any side effects, and avoid abruptly stopping the medication.