Lunesta (Eszopiclone) is a sleeping pill that belongs to the class of sleeping pills known as non-benzodiazepine hypnotics. It is used in the treatment of primary sleep disorders, which are caused by difficulties with falling asleep, at night, and early awakenings. It is also used to treat transient situational and chronic forms of insomnia. In addition, Lunesta (Eszopiclone) is taken to cope with secondary sleep disorders caused by mental disorders.