Originally Posted by
bluegreentravel
Thanks all for the suggestions. Was determined to stay in the J lounge, but if it's not possible to sleep there for a couple of hours (it's mildly crowded everytime I pass by, but I was counting on it being after midnight, perhaps less people), I might just as well go for the airport hotel...

As airport hotels go, it is very nice (and super convenient). It's a shame that you probably won't be able to avail of the pool/spa facilities (far better than the Hilton/St. Regis in Sentral).