It is one of those blah days...

This week it has been really hard for me to wake up, but today was the worst. I'm at work now, but I wish I was anywhere but here. I'm at a dead point in my work (we have to get feedback on our project and there's nothing to do but wait) and I have fallen into a bad habit of after-work naps that make it so that rather than sleeping for 8 hours each night I'm sleeping for 2-3 hours after work and 4ish hours at night. In between sleeps there's a couple of hours of very unproductive time where I think about working out, playing the guitar or piano, watching a new Bollywood movie, going to the temple, or some other such thing that doesn't happen because I'm stuck with a major nap hangover. So I do nothing. And then I start to cry because I'm so lazy and I wasted an entire evening, and now I have to go back to work where I have nothing substantial to do. It's a viscious cycle. And I'm getting fatter and more tired every day, despite the fact that I don't eat candy or desserts or anything and I'm getting tons of sleep. Ugh. I just have a bad case of the blahs. What can I do to get out of the blahs?