pbs.orgNotice the bloodshot eyes of this fruit fly. Must be an insomniac.Scientists at Washington University have bred generations of insomniac fruit flies they hope will shed light on sleeplessness in humans. The insects average only about one hour of sleep per day -- or less than 10 percent of the 12 hours most fruit flies spend slumbering. Researcher Paul Shaw quickly noticed an obvious and surprising behavioral change in the sleep-deprived bugs -- even though flies have six legs, the insomni
