Are there playrooms with padded walls for alcoholics? And sound proof rooms for the DYKWIA-set with their mobiles surgically attached to their heads? Or do they just join the seat kickers in their little area?

The LHR lounges tend to stick to the letter of the law. Anyone found transgressing will be burnt to a crisp by the lounge dragons. Stations seem to be more forgiving when it comes to lounge admittance though, so worth a try in Rio.