Modafinil has changed the rules of the game. The drug is what's known as a eugeroic, meaning "good arousal" in Greek. It delivers natural-feeling alertness and wakefulness without the powerful physical and mental jolt that earlier stimulants delivered. "T
Modafinil has made it possible to have 48 hours of continuous wakefulness with few, if any, ill effects. New classes of sleeping pills are on the horizon that promise to deliver sleep that is deeper and more refreshing than the real thing. Further down th