• Oxford Sleep Lab studies show that the more weight pressing down on a person, the slower they will fall asleep.

• During the 19th century, men in wealthy European social circles would wear a tuxedo, on average, 36 hours out of any given week.

• If all the nicotine from the discarded cigarette butts on the ground in New York City was collected, there would be enough to administer around 15,000 lethal doses.

• 43 percent of all credit card purchases are made within one mile of the cardholder's home.

• The U.S. Capitol building has a total 12 square feet of public space not under video surveillance. The largest single area is an 8 by one square foot in the building's main rotunda.