A "couch bed" refers to a piece of furniture that serves as both a couch and a bed. It can be used as a comfortable seat during the day and then easily transformed into a bed for sleeping at night. Full definition
However, if the movie is rated R because of sexuality... well, I hope you enjoy your fold - out couch bed in hell. (relevantmagazine.com)
A queen sized bed, full sized couch bed, and modern bathroom retreat offer a sanctuary away from the heat of the tropics. (wavehunters.com)
Room 1 has 2 x 3/4 beds Room 2 has 3 x 3/4 beds Room 3 has 1 x 3/4 bed The lounge has a pull out couch bed ideally for a single person. (travelground.com)