Tired

I have been so-very-tired the last few weeks. Is it the crappy eating? Or the stress at work? Or the wierd weather changes - hot and humid one day and just right the next? Not enough exercise? Whatever it is, I must do something on the weekends besides watch tv and fall asleep on the couch. Ugghhh - I'm sooooooooo tired.....I'm off to lay on the couch, watch You've Got Mail (AGAIN!) and catch a few winks.