and people who don't get enough sleep tend to be more impulsive, more risk tarkers. casinos make you sleep deprived to make more mistakes. sadly, there's strong data, several studies have come out supporting a link between inadequate sleep and suicidal behavior in teenagers. they're under a lot of stress, not getting enough sleep, and then they also may be more impulsive due to lack of sleep. there's no doubt that the best bang for the buck, as far as improving your help, is through sleep. >> it's free! >> it's free. you get to do it. it's beautiful. i mean, why not get more sleep? >> we talked about a variety of disorders that can contribute to really poor health problems. can you talk about that. >> of course. there are, as you mentioned earlier a, over 90 different sleep disorders. the most common thing we do at our clinic is something called sleep apnea. people stop breathing in their sleep. the brain has to decide what's more important, breathing or sleeping. for a little window of time, the brain says, i'd rather sleep than breathe. there's a gap in your breath