Buy Lunesta 2mg Online to treat insomnia and help in a quicker and more restful sleep at night. It is frequently used momentarily. Buy Lunesta Online Immediately. Eszopiclone is a nonbenzodiazepine hypnotic that is somewhat helpful for treating insomnia. Sepracor markets it under the brand name Lunesta. In a similar vein, ezopiclone, the active dextrorotatory stereoisomer of zopiclone, is a member of the cyclopyrrolone pharmacological class. Eszopiclone is a sedative-hypnotic that acts quickly and is not a benzodiazepine. The company that makes eszopiclone, Sepracor, has provided funding for every clinical trial that has been made public to date.