The animal kingdom is full of unbelievable sleeping tendencies, from the slightly off-putting hibernation habits of frozen frogs to the cuddly approach to napping taken by baby otters.
Let's face it, we've all come pretty close to nodding off at work. However, there are certain professions -- say, airline pilot -- where taking a quick snooze just isn't acceptable.
We spend about a third of our lives sleeping, so not being good at it is a drag. And according to a new survey from the Better Sleep Council, the best way to get a good night sleep may be to ditch the person you are sleeping next to.