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.
SRI International via Wikimedia Commons
The first traffic lights are installed, the first Heisman Trophy is awarded, The Supremes' debut album is released, the computer mouse makes its debut, and The Jacksons play their last show, all on this day.