A couch, also known as a sofa, settee, futon, or chesterfield (see history of the term below) is a piece of furniture for seating two or three people in the form of a bench, with armrests, which is partially or entirely upholstered, and often fitted with springs and tailored cushions.
A bed is a piece of furniture which is used as a place to sleep, relax. Most modern beds consist of a soft, cushioned mattress on a bed frame, the mattress resting either on a solid base, often wood slats, or a sprung base. ... Some beds are made especially for animals.