Midnight pee-breaks ruining your sleep? Your genes could be at fault.

When it's two in the morning, there's nothing in the world more frustrating than being awakened by the urge to pee. Now, for the first time ever, researchers have shown that urination patterns are regulated by circadian rhythms (the molecular clock that controls your sleep/wake cycle, among other things.) Plus a… » 5/01/12 11:33am 5/01/12 11:33am