User blog comment:BenRG/Beacon Dorms - A Fanfic/Fanart Resource/@comment-170.38.99.40-20130909053734/@comment-11188061-20130910020118

You don't need to sleep in the same room to know someone period. Just being around someone and spending time with them usually is more than enough to build understanding. Besides, the problems arising from mixed-gender-sleep-together far outweighs its benefits.