For 8 to 12 hours, Artvigil 150 can keep you up, depending on your metabolism, tolerance, and degree of sleep deprivation. Because it increases alertness and decreases fatigue, it can be used off-label to focus or for narcolepsy and shift work problem. Long-term sleep disturbance, irritation, or mental fog might result from staying up too late. It is not meant to be used for prolonged... https://www.smartfinil.net/product/artvigil-150/