Finnish to English Art/Literary Poetry & Literature

In the literal sense described by Perussanakirja:

ark. tav. lattialle tehdystä usealle nukkujalle tarkoitetusta tilapäisestä makuusijasta.

So a large shared mattress like this: http://www.anssikela.com/wp-content/uploads/2009/02/nightfer...

Could just say something like "shared sleeping arrangements", but am curious to hear others' ideas.