[alrs]

Sometimes you're so burned out that you need to just stop working, and sit at home and do nothing for a few months.

So this time you'll need to take a chunk out of your savings. Don't even bother looking for a new job until you're two months in to your sabbatical.

Next time, get out before things get this bad.

Wikipedia has the Freudenberger and North model of burnout. I'm sure you'll find yourself on there:

http://en.wikipedia.org/wiki/Burnout_(psychology)#Phases