Why use Eszopoclone? Lunesta, also known as eszopiclone, is a nonbenzodiazepine that is used to treat severe insomnia, nocturnal waking, early awakening, and sleeping problems. It only works for a short period of time and should not be used for more than 2-4 weeks. When used for an extended period of time, your body becomes dependent on it. To treat severe episodes of insomnia, the standard...