Dormitory
A dormitory was a building where students were housed. It was primarily a place to sleep. Individual students' rooms were known as dorm rooms. 

In 2374, The Doctor responded negatively to Neelix's request that 's sickbay be converted into a temporary sleeping area until  could be restored to crew quarters, saying that sickbay wasn't a dormitory. ()

External link

de:Schlafsaal
Infrastructure