Hey hash!
I have had zopiclone and found it worked really well for me. You have to make sure you head to bed within an hour, at the most, of taking them or else they kick in and you can be walking, talking, functioning but have no recollection. It got me into a bit of trouble until I understood how they worked. They use them for patients having surgery so if they come round mid op, they don't remember anything. Hope they help you xx