Ambien is usually taken orally and it comes in immediate-release and extended-release formulations. The immediate-release version helps with falling asleep quickly, while the extended-release version aids in both falling asleep and staying asleep throughout the night. <br> <br>It is important to take Ambien exactly as prescribed by a healthcare professional. The dosage will depend on factors such as the individual's age, medical condition, and other medications they may be taking. Ambien is typically prescribed for short-term use due to its potential for dependence and side effects.