College is great! There are no parents, you're in charge of your own schedule, and the only real commitments are to your classes (because let's be honest, if you don't pass, mom and dad will pull you out of school). Awesome! We can stay up until 4 am hanging out with people and then get up at 7 am for classes.
The average adult needs 7.5-9 hours of sleep per night to function at their best. So what does that mean? Functioning at your best is the ability to ace that test, being able to stay focused and awake in class, and getting your homework done faster. Morale of the story? Getting enough sleep will cut down significantly on your study time because you'll be rested enough to use your brain effectively.
Now how do you get enough sleep in college?