Rest

I know the sleep experts say that you can't "catch up" on sleep, that you should get up at the same crack of dawn time as you do Monday-Friday even on the weekend, but they can bite me.  Nothing feels better than lying in a warm fuzzy bed on a weekend morning after a solid 8-9 hours of sleep with the sun coming in and nowhere you have to be.  A close second would be sitting for a few hours with a cup of hot tea, milk and honey, a couple of Russel Stovers chocolates, and a new book to read...