Both fun and functional, bunk beds fulfill every child’s dream of having a place for a friend to stay over, while also solving for space constraints in a way adults can appreciate. Here, we’ve rounded up nine stylish rooms that are ready to sleep multiple people. From sweet children’s rooms that will stand the test of time to sophisticated retreats that challenge the notion that bunks should be reserved for the younger set, these spaces exhibit a “the more, the merrier” approach to bedroom décor.