 Well, I think you don't drink your coffee and you don't, you know, I think it's otherwise, I think the don't drink alcohol certainly looks like it. And, you know, make sure that you're hydrated. I don't know that there's any secret. I'm really a good sleeper on a plane. My wife is not as good. We'll go to Europe and I'll sleep for six hours, but she doesn't. I think part of it, I don't know the secret.