Waklert is a supplement that helps with concentration, focus, and memory. While armodafinil is used to treat ADHD and shift-work sleep disturbance, Artvigil is utilized to treat other diseases like narcolepsy. Artvigil is a "smart medication" that acts by interfering with brain chemistry. Most smart drug users, on the other hand, feel that 150mg is sufficient for up to twelve hours of cognitive boost.