Artvigil 150 mg is a prescription medication containing armodafinil, commonly used to promote wakefulness in individuals with sleep disorders such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder. It works by affecting certain neurotransmitters in the brain to enhance alertness, focus, and mental performance. Many users also take it off-label to improve concentration and productivity. The tablet is typically taken once daily, either in the morning or before a work shift.