In the USA, Modafinil (usually sold under the name Provigil) is approved by the FDA for use by narcoleptic patients who have trouble staying awake. It’s also prescribed for shift workers who are forced to stick to unusual sleep schedules.
But let’s be honest, that’s not why you’re interested in Modafinil. Modafinil has become known for its nootropic effects and ability to increase alertness, concentration. and productivity. Lately, the US Air force has done experiments with Modafinil, enabling pilots to stay alert and mission-ready for up to 48 hours. What’s more, a ton of entrepreneurs in Silicon Valley, bloggers, and high-power executives have recently started experimenting with the stuff. In short, a lot of high-achievers are using it to gain an edge.