I get caught napping!

A new study reports that 4 percent of drivers admit to falling asleep behind the wheel. Scary, huh? Sometimes it turns into a race to get to your destination before you nod off, especially when there's nowhere to stop and grab a coffee, or just get out of the car and stretch.

That's when we resort to other wake-up techniques like chewing gum or slapping our cheeks. How about opening the window to get a big blast of air? Sometimes turning up the radio to top volume and trying to out-sing Celine Dion is a good waker-upper.

But when you're tired in the office, you just can't do the same things. Imagine if your boss walked in and caught you slapping your own cheek. Definitely not the work behavior you want to be remembered for. Likewise for chewing gum and singing at the top of your ...