[cd34]

or adjust your day around your current schedule. I think my body is on a 30 hr clock which doesn't jive with a lot of client interaction. So, every once in a while I get quite off-kilter.

Really, you might just need to jump-start things by staying up and getting up at a set time, until you get things back on track. Depending on your social calendar, you might just live with it for a while and work when you are productive.

Sometimes the brain doesn't do well when there aren't perceived goals being completed. If you've been working on a project for an extended period of time where there is no short-term goal reached, consider setting some mini-goals that you can accomplish.

Many different reasons for it. Get outside, exercise, do something different, take a few days off, etc.