http://www.thelocal.no/20140324/norway-army-makes-men-and-women-share-roomsQuote
The new unisex dormitories have been trialled at a military base in northern Norway, with each room putting two women together with four men.
According to Ulla-Britt Lilleaas, co-author of the report "The Army: the vanguard, rear guard and battlefield of equality”, the women reported that sharing a room helped make them "one of the boys".
"To them there was nothing strange about the unisex rooms," she wrote. "They had entered a common mode where gender stereotypes had disappeared, or at least they were less obvious."
One woman soldier, who had purchased especially large underwear to minimize her sex-appeal, was surprised to find that rather than accentuate gender differences, sharing a room helped make them less relevant.
“You have to be a team here, and then you have to live together in order to be able to trust in one another”, said one of the women, who concluded the rooms were a “damn good idea”.
No mods, this isn't about bathrooms.
Anyway, this actually sounds pretty logical. Removing distance between groups creates more of a bond. People start thinking of others like human beings instead of female sergeant #23. I don't think it would work in countries where same-sex facilities don't exist at all, but in most Scandinavian countries going to the sauna is something you do communally.