Eszopiclone use Eszopiclone, also known as Lunesta, is a sleeping medicine that is used to treat severe insomnia. It belongs to the sedative-hypnotic class of medicines. Eszopiclone is normally prescribed for a brief period of time, usually 1 to 2 weeks. The medication will assist you in falling asleep quicker and preventing you from waking up in the middle of the night. It increases the amount...