How long can you stay awake with Modvigil?
https://www.smartfinil.net/product/modvigil-200/
Modvigil 200mg promotes alertness and can help users stay awake for 12 to 15 hours. Its effects normally begin between 30 to 60 minutes after intake and peak between 2 and 4 hours later. Modvigil 200 is often used to treat narcolepsy, shift work sleep disorder, and sleep apnea fatigue.