Another drug that scientists are also finding a new use for is mod This drug was originally developed to treat a sleep disorder called narcolepsy. Narcolepsy causes people to go into a deep sleep during the day for a brief period of time. Scientists have now discovered a mind-sharpening use for this drug. They use it to reduce impulsiveness and to help people think more clearly and deeply for longer periods of time. For instance, in playing intricate games such as chess or gol, we could plan our next move better. of course, planning would take a bit longer, but we would probably make a better move.