Is It Worth It?

Hof: I think some really good things came out of it. A, my hypothesis on what was happen and what actually happened is completely off. One that actually, the worst one that i had was sebed oile. So sebed oile's huge right now. He says he doesn't want to do any more experiments like this because they're too long. Hof did four nights a week for 30 days in order to get his sleep study results....