Read more in this journal entry of hers. She's doing this as part of Blogathon 2006, to raise money for The National Kidney Foundation.
If you'd like to sponsor her, her entry has information on how to do so. If you'd like to provide encouragement during the blogathon and comments to keep her awake, I'm sure that'd be appreciated as well. If you want to follow along from the comfort of your friends page, there's a LiveJournal syndicated account you can add.