cbt. cognitive behavioral therapy is looking amount you and changing your live still, your sleep hygiene and what you do before you go to sleep, what exactly you take or drink, no coffee. that's the feedback that we give you in order to improve your quality of life, so in an emergency basis, arthel, as we've talked about it i think it's okay but long term stay away frem from them because it's as bad as being drunk. >> dr. siegel, we like to kid eric about his banana and milk, banana, yes, but milk, always say no. anything wrong with drinking warm milk? >> he's not listening to my doctor's advice or my prescription which is warm milk can cause acided in your stomach which could give more reflux which he's reported to and you stay up at night. the thing i want to start on, the national traffic safety administration reports 100,000 traffic accidents a year related to fatigue. so we have tired drivers out there. they are overtired, and that's one of the reasons they are getting into car accide