this valerian route is very good. chamomile we spoke about and we'll post it online. >> i've tried that. i think natural is better, and not just surgeons and doctors. everybody out there, we all have different -- >> you work at night. >> for people who worry at night. i've coined a term the cycle of worry in one of my books. you start to worry and the next night you worry you get lack of sleep and that increases your anxiety. figure out what is worrying you, get to the bottom of it and get rid of it. may not require a medication. >> and sometimes you're worrying you're not going to sleep tonight. >> when you get texts from him at 1:00 a.m., ignore it. that's another one thing sleeping well. >> dr. siegel, you're not texting? >> that's the o.r. texting telling him about the case. >> if you can't sleep at 3:00 in the morning, call them. >> i will, both of you. >> coming up, can you imagine switching off chronic pain? too many people suffer from chronic pain, but now researchers are promising that after a ground breaking