It is a sedative-hypnotic medication primarily used for the short-term treatment of insomnia, a sleep disorder characterized by difficulty falling asleep, staying asleep, or experiencing poor-quality sleep. Restoril is prescribed for the momentary treatment of insomnia. It is intended for use in situations where the insomnia is causing significant distress or impairment in daily functioning. It is not at all recommended for long-term use. The usual recommended dose for adults is 30mg taken orally just before bedtime.