Exhausted

You guys, I'm exhausted.  At one point today, while sitting at the table in the grad lounge, I put my head down on my books and literally fell asleep for 10 minutes.  Face down on a bunch of reading material.  Since Thursday, I've read three books, read several articles, written a paper, and written a prep sheet for class.  I have one paper left to go, several more articles, and two class periods before I'm on spring break.  This whole semester so far has been very intense, and my mind/body are cooperating to tell me that I need a break.  Today was painful to get through-- I couldn't concentrate, didn't get as much work done before my afternoon class as I had planned, and my mind kept wandering to daydreams of warm afternoons and Pineapple Dole Whips with rum...