We're so quick to deprive ourselves of sleep, but that is the one thing we need the most -- more than food, I think. Without sleep, you become depressed, your m

We're so quick to deprive ourselves of sleep, but that is the one thing we need the most -- more than food, I think. Without sleep, you become depressed, your mind slows, your vocabulary shrinks. You lose IQ points. I'm the father of a toddler. Needless to say, the last couple of years, I haven't slept well. Finally I gave up and started going to bed a couple of hours early. Amazing, the difference.