Diazepam vs. Zopiclone — What's the Difference?

Diazepam, first marketed as Valium, is a medicine of the benzodiazepine family that acts as an anxiolytic. It is commonly used to treat a range of conditions, including anxiety, seizures, alcohol withdrawal syndrome, benzodiazepine withdrawal syndrome, muscle spasms, insomnia, and restless legs syndrome.

Zopiclone, sold under the brand name Imovane among others, is a nonbenzodiazepine used to treat difficulty sleeping. Zopiclone is molecularly distinct from benzodiazepine drugs and is classed as a cyclopyrrolone.

A benzodiazepine drug, C16H13ClN2O, used to treat anxiety and alcohol withdrawal and as a sedative, skeletal muscle relaxant, and anticonvulsant.

A nonbenzodiazepine sedative used to treat insomnia.

(pharmaceutical drug) A tranquilizing muscle relaxant drug (trademark Valium) used chiefly to relieve anxiety.

A tranquilizer (trade name Valium) used to relieve anxiety and relax muscles; acts by enhancing the inhibitory actions of the neurotransmitter GABA; can also be used as an anticonvulsant drug in cases of nerve agent poisoning