What is the main use of Modvigil 200?

https://www.smartfinil.net/product/modvigil-200/

Modvigil 200 is primarily used to treat excessive daytime drowsiness brought on by disorders including sleep apnea, narcolepsy, and shift-work sleep disorder. Throughout the day, it keeps people focused, awake, and attentive. Modvigil 200 should only be taken as directed by a licensed physician. It works by encouraging wakefulness in the brain.