Ambien is a prescription sleeping aid that helps people with sleeping disorders like insomnia to get a good night’s sleep. This medicine is available in both immediate-release and extended-release variants. Prolonged use of this medicine can be habit-forming that can turn into an addiction, making it a controlled substance in the United States. You will need a doctor’s prescription if you are willing to buy Ambien online or at a local pharmacy. This medicine can cause some side effects if not used properly as per the healthcare professional’s instructions. It is vital to know that there are websites where you can order Ambien online without prescription. But doctors strongly advise against it because using it unsupervised can lead to severe harmful effects on your body. These adverse effects can worsen your sleep disorder or cause long term damage to your health.