You're tired, you pull off the highway, and you wonder just how much rest you're allowed to get at the local rest area. In some places, the answer is: not much.

Add Yahoo as a preferred source to see more of our stories on Google. Some airports allow you to sleep overnight in the terminal, but you're not likey to get a goodnight's rest. (Photo by Anna ...

You might have a layover at an airport, or your flight may be delayed late into the evening. Traveling long distances can sometimes mean you may need to sleep at the airport. Make us a Preferred ...