*'''Sedative or hypnotic:''' Diazepam has been shown to be an effective treatment for short-term insomnia, associated with or without anxiety. However, prolonged treatment for insomnia may become less efficacious as the patient develops tolerance to the drug. | *'''Sedative or hypnotic:''' Diazepam has been shown to be an effective treatment for short-term insomnia, associated with or without anxiety. However, prolonged treatment for insomnia may become less efficacious as the patient develops tolerance to the drug. |