Ah, sleep

From an article at the WSJ, The Sleepless Elite:

Not only are their circadian rhythms different from most people, so are their moods (very upbeat) and their metabolism (they’re thinner than average, even though sleep deprivation usually raises the risk of obesity). They also seem to have a high tolerance for physical pain and psychological setbacks.

Um, can you clone those genetic anomalies? And package into convenient pill form for moms?