Once, a while ago, I worked at Reading. Commuting there took 2.5 hours and back was normally 3 hours. Add in a 10 hour day and you can see why I only did it for 2 and a half weeks.
My day became, get up, goto work, come home, eat, then sleep right afterwards. The money was good, but the Boss thought i was slacking, since the others managed to do 12+ hour days. The fool didnt care that I had a huge journey to and from work. Ended up telling him to eff off and walked out. Thats the only time Ive been rude to an employer, proabably had something to do with the lack of sleep. I lost a weeks pay (I was a contractor), but you cant put a price on your sanity.