Crazy airport signs
Need to catch some ZZZ's? Find out if you're in one of the best -- or worst -- cities for sleeping.
RealAge, the company that calculates your body's "health age," ranked the best and worst cities for sleeping by looking at reported changes in sleep habits and other factors.
Volkan Yuksel/Wikimedia Commons
Charles Darwin embarks on the HMS Beagle, "Howdy Doody" makes its TV debut, Apollo 8 splashes down after orbiting the Moon, and the Soviet Union occupies Afghanistan, all on this day.
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