Beggars in Spain: The Original Hugo & Nebula Winning Novella - Nancy Kress

Leisha Camden is a genetically engineered 'Sleepless.' Her ability to stay awake all the time has not only made her more productive, but the genetic modifications have also given the 'Sleepless' a higher IQ and may even make them immortal. Are they the future of humanity? Or will the small community of 'sleepless' be hunted down as freaks by a world that has grown wary of its newest creation?