One of the most effective medications, Artvigil, is the brand name of the generic Armodafinil medication. It helps regulate the sleep cycle better, increase wakefulness, and improve cognition. This effective medication works within 30 minutes and reaches its peak concentration within 2 to 4 hours, with a mean exclusion half-life of 15 hours. To have a detailed idea of the side effects, Read it on the website of the Online Pills Store.