Originally Posted by
Explorer3
But do I need to do a seperate booking for Airside Hotel?
I'm not 100% sure what you are asking, but you would need to book and pay for this yourself. As you've already surmised, EK will not pay for it.
If you don't want to spend money for a place to sleep, this site has some suggestions:
http://www.sleepinginairports.net/mideast/dubai.htm