IMO, the key to college is more about learning your own learning/study habits than learning "stuff in courses." And in comparison to high school, where it's set up to be a relatively equalizing grind, college realy opens the door to a lot of learning styles. You have to find, and know, and respect your own.
I had two roommates in college ... one's now a electrophysiological cardiologist (he did another 14 years of school AFTER college), one's a Ph.D. electrical engineer working at Johns Hopkins. I was the dumb one. Anyhow, the first guy took the workhorse approach to college ... he barely slept, he got locked in the library more than once falling asleep while studying there ... he basically just convinced himself that he was always behind and there was always work to do, and was always working and his life was kinda chaos. Every once in awhile he'd crash and sleep for 48 hours straight or something.
The engineer guy was a health nut and took a very disciplined approach to life ... he had his days schedued out, he scheduled in club sports and working out, he never missed a meal, etc. He hadn't had those habits in high school, part of his whole college thing was developing that discipline becuase he realized that otherwise he'd never be able to get done what he wanted to get done.
My approach was more random ... I was doing a double major and generally carried a heavier courseload than either of the two other guys, but was probably more adaptable than the other two. I wanted to be efficient about everything I did ... I tended to work ultra hard at the start of every course until I got a good handle on the instructor's style and what it'd take it get through it, and then coasted more after that. There were several times when I studied for tests by sleeping because I decided that alertness was worth more than crammign (of course there were open-book engineering tests that pushed on brainpower more than "memorized learning" so I could get away with it ... but that was the point, to fit the studying to the course. That style wouldn't have worked for roommate #1 because emotionally he would have felt like he wasn't trying hard enough ... it wouldn't have worked for roommate #2 because there wasn't a stable pattern to my days and so some weeks I had lots of free time, some weeks I had none. But it worked for me.
Anyhow, back to your question ... there's no set answer to your question. You could decide that an hour of WoW is important to you. You could fit it in by developing great dayplanning habits and just making very disciplined days. Or you could fit it in by just taking the time, even if it feels like you need to study (within reason, obviously). College presents everyone with more opportunities to do stuff than you have time to do. You constantly have to make decisions and choices. Which is how real life works, as well ... in college it's just more intense, perhasp to get you used to it.
I totally agree with the comments above that you need to be very careful about not getting too sucked into the game. If you get through college because you managed your stress and had wow as an outlet, great. If you get through college with lousy grades because you spend 6 hours a day in WoW (or playing pool, or partying) ... you will probably regret that.
Anyhow, the whole time management issue is the most important skill you'll (hopefully learn) in college ... and you're asking one of the most important questions you'll face in college. But you have to find your own answer. But do work on finding an answer (which will probably mean some trial and error).
/wall of text and dramatic scope creep on the original question OVER
