Bed, in particular mobile home and/or caravan bed

The bed (1), particularly caravan bed or camper bed, comprises a couch surface unit (2) which is pivoted from a vertical storage position to a horizontal functional position. An upper side (3) of the couch surface unit is provided as a couch surface, where a functional element, particularly a backrest element is arranged at the upper side which lies opposite to a lower side of the couch surface unit.