You might be interested in the Pomodoro Technique. Basically: Also, since you're a college student you might want to consider taking various legal drugs to enhance various aspects of your performance (called nootropics). L-theanine 400mg (suntheanine) + caffeine 100-200mg is cheap and provides a huge boost to performance. I use piracetam + choline, l-theanine + caffeine, and phenibut regularly and I've noticed that I get things done much quicker and my memory is very much improved.
and you just repeat that until you've finished, with longer and longer breaks. It's an interesting scheme and it works pretty well for a lot of people. 1. Set timer for 20 minutes
2. Do task
3. Take 5 minute break when timer rings
4. Set timer for 20 minutes again
5. Do task
6. Take longer break