Sleep is an important part of a healthy lifestyle. Without it, our bodies and minds suffer from fatigue, moodiness, and a lack of concentration. Unfortunately, for many individuals, getting a good night's sleep is a difficult task. Insomnia is a common problem that affects up to 40% of people in the United States. Ambien is a popular medication that is used to treat insomnia and help people get the restful nights of sleep they need.