Nikki Sixx

I'm not religious, but by nature I am spiritual. I'm an artist, and creativity seems to go hand in hand with spirituality. But I have a knee-jerk reaction against organized religions. Actually, I have knee-jerk reactions against anything that's organized.

It's not just the physical aspect of boxing, it's the whole fighter mentality that has been ingrained in me through the years as a competitive athlete. One of the hardest things you'll ever do is to box - to get into the ring and to face off with somebody whose whole goal is to knock you out, to hurt you, and to be able to fight back.

If you think about evolution, sleep, at some time, was a dangerous undertaking. You lie down in your cave or shelter, and along comes a predator and has you for dinner. Many creatures do not sleep or sleep while standing so they can escape from dangerous situations.