I procrastinate as much as the next human, but it's something I've been working on obliterating from my personality. If you think about the number of people's dreams and livelihoods that've been killed by laziness, I'm sure it'll rank up there as the number one cause of depression.
Nothing really feels better than going after what you need to go after and doing what you need to do despite your feelings, because those are the characters we admire most. Think about any book, novel, movie, or old-school story told by your grandparents. They were all filled with people who did what was right for the situation regardless of how they felt about it.
Which is why finals are such a stressful time. Usually in life you can get away with putting off stuff and no one is really going to hold you accountable, but when you're trying to graduate and not waste those tens of thousands of dollars in loans you signed your life away for, things can get pretty stressful.