I have been taking Chantix for 3 weeks now, and have been smoke free for two weeks. I do have some wild dreams on the med, but to be honest, I find them very interesting, sometimes strange, but very interesting. So far, nothing really scary though. I am finding that the benefits of Chantix are far outweighing some of the side effects. I have tried to quite may times before without success, but with Chantix, gladly I can say, it's been fairly "easy." That's not to say I don't have my moments, but for the most part it's been all good. I am happy.