fatigue

(Newser) - Fatigue has officially taken hold in Iowa, and not just for voters. “I won’t remember Iowans,” a sleep-deprived Mitt Romney said recently (he meant “I’ll never forget”), while Mike Huckabee offered “apologies” over Benazir Bhutto’s death (he’s not a suspect), and...

(Newser) - Yawning may be less a response to boredom than a natural mechanism for cooling off overheated brains, new research says. The human brain operates optimally when cool, much like a computer, and conditions like fatigue actually cause the organ to heat up, ABC News reports. A quick gulp of air...