If you ever pull all-nighters, you might want to take a look at this...

Don't ever let anyone tell you you can't take a nap! We've all heard a million times that we need 7-8 hours a sleep a night, but what happens when we don't get it? Leaning, mood, memory, and reaction time can suffer greatly, and it can also cause big health problems.  About 30% of adults and 66% of adolescents are considered "sleep-deprived." Take a look at what happens to your body when you don't get enough sleep: