Who needs sleep? New pill...

Who needs sleep? New pill hits scene: "Just to see what it was like, the Cambridge computer programmer stayed awake four straight days. He felt fine, he reported later, not jittery, nicely focused. 'Imagine,' he wrote in an e-mail, 'having all the time you could want to goof off, knowing that you still have just as much time as usual to spend on things you have to do.'"