careskit.com/product-category/sleeping-pills/lunesta; Opens a new tab·Buy Lunesta Online and get an everyday stressless night. Lunesta is used to treat Insomnia disorder.It was approved by the FOOD AND DRUG ADMINISTRATION(FDA) in 2004. Lunesta is the brand name of Eszopiclone. Eszopiclone belongs to a class of drugs called sedative-hypnotics. If your insomnia continues for a longer time, talk to your doctor to see if you need other treatment. Lunesta medicine helps calm down the brain and helps the patient fast to sleep.