If you've been living on a steady diet of coffee and stress for the past few days, you have got to get things back on track today! If you can't stomach the idea of going cold turkey and hitting the decaf right away, at least cut back: and get some more rest. You need to take control over your schedule again, and make some more free time for yourself. There is no reason a deadline can't be changed. All you have to do is ask and you can get a little bit more breathing room.