外国の学生寮だとこんな大部屋もあるみたい

http://amidhararesort.com/Admin/Room/Family%20Room.jpg
http://www.naturetrails.in/durshet-forest-lodge/img/gallery/large-dormitory-AC-regular-beds.jpg
http://www.wayanaddormitory.com/images/dormitory/r-n-v-dormitory/r-n-v-dormitory-main.jpg
http://www.rebabeachresort.com/img/rooms/dormitory.jpg
http://ttw.wlimg.com/package-images/photo-big/dir_13/370299/137108.jpg

これなら２段ベッドの方が快適だと思う