Qantas was running out of room at its large domestic terminal in Sydney and needed to come up with something new to reduce frequent backups at counters.

WSJ: Flying Through the Airport

At the airport, the completion of the 272-room Montreal Airport Marriott in 2009 atop the US departure terminal means the transfer time from bed to check-in desk can be less than two minutes.

BBC: Business trip: Montreal

Here they have one Galleries Lounge for business, the First lounge for First, and just to confuse things, only in Terminal 5 (there are also lounges in 1 and 3) they have the Concorde Room, also for First class passengers, with hotel-style rooms featuring beds and en suite bathrooms, plus restaurant-style dining.

FORBES: Frequent Flyer Oasis: British Airways Lounges Ease Stress Of Travel