I googled it for you. I was looking for Snoozecube, but found GoSleep too which I wasn't aware of before. GoSleep are inside the Marhaba Lounges so you need entry there first, but that is available for a price.
http://www.gosleep.aero/dubai/
http://snoozecube.com/
http://www.gosleep.aero/dubai/
http://snoozecube.com/



