Restoril, generic name for temazepam, is a medication that is prescribed as a short term treatment for insomnia. It belongs to the class of medicines known as benzodiazepines. From time to time, everyone experiences trouble sleeping. Restoril is a brand name for a medication called temazepam, which belongs to a class of drugs known as benzodiazepines. Benzodiazepines are sedatives that act on the brain and nervous system to produce a calming effect. Restoril is used to treat insomnia, which is a sleep problem that makes it hard to fall asleep or stay asleep. Restoril is usually taken only for a short time, such as 7 to 10 days, because it can cause dependence and addiction if used for longer periods or in higher doses. Restoril can also cause side effects such as drowsiness, memory loss, confusion, dizziness, headache, nausea, and more. Restoril should not be taken with alcohol or other drugs that can slow down your breathing or make you sleepy, as this can lead to serious or even fatal outcomes. Restoril should not be used by pregnant women or children under 18 years old. Restoril should be taken only as prescribed by your doctor and never shared with anyone else. If you have any questions about Restoril, you should consult your doctor or pharmacist before taking it.