Armodafinil is a Nootropic or Smart drug whose action improves various brain functions. Nootropics works by releasing certain chemicals in the brain that alleviate different brain activities. These chemicals are also responsible for managing sleep. An increased level of these chemicals in the brain promotes wakefulness and alertness. Therefore, it helps to stay awake. Within 30 minutes of intake, the Nootropic begins its action, and the effect lasts for up to 15 hours. Therefore, Armodafinil is the best choice of Nootropic to cure excessive daytime sleepiness.