A non-benzodiazepine sedative-hypnotic medication used to treat insomnia, particularly helpful for maintaining sleep throughout the night. It works by modulating GABA receptors in the brain to promote sleep onset and duration.
Derived from 'es-' (a prefix) combined with 'zopiclone,' which itself comes from the chemical structure containing cyclopyrrolone. The 'es-' prefix indicates it's the S-enantiomer (active form) of zopiclone, developed to improve efficacy and reduce side effects.
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