What is an Ambien? An Ambien is a medication used to treat insomnia. It works by helping to promote relaxation and improve sleep. Ambien is available in tablet and extended-release tablet form. It is typically taken once a day, either at bedtime or when you first wake up in the morning. visit for order - https://cvsspecialty.org/product-category/buy-ambien-online/ If you are considering taking Ambien, it is important to be aware of the potential side effects. While Ambien is generally safe when taken as directed, there are a few potential side effects that you should be aware of. These include: