Sleep deprivation
I did a half a year once working two full time jobs. I got more than four hours of sleep once a week if I were lucky. It is NOT good for you.
[size=75]You are as bad as Alan, and even he hits the mark sometimes. -charlie
"Not all conservatives are stupid, but most stupid people are conservative." - John Stuart Mill[/size]
"Not all conservatives are stupid, but most stupid people are conservative." - John Stuart Mill[/size]