Another drug that scientists are also finding a new use for is modafinil. This drug was disorder called narcolepsy Narcolepsy causes people during the day for a brief period of time. Scientists have use for this drug. They use it to reduce impulsiveness and arpening clearly and deeply for longer periods of time. For instance, games such as chess or go we could plan our next move better. Of take a bit longer, but we would probably make better move. States military is already a awake and alert. using this drug. Soldiers take it to help them stay through Some scientists think the drug could be useful for people who work night.