What is the feel good ingredient in Ambien CR It lasts for about 5 minutes and happens right before you start feeling sleepy?

Ambien CR does not contain any "feel good" ingredients. Its active ingredient Zolpidem tartrate is a hypnotic medication used to treat insomnia. It works by slowing down brain activity to help people fall asleep. I can tell you more about Ambien CR or answer any other questions you have about it.