A Murphy bed (in North America), also called a wall bed, pull down bed or fold-down bed is a bed that is hinged at one end to store vertically against the wall, or inside a closet or cabinet.
A Murphy bed (a North American term only), also called a wall bed, pull down bed or fold-down bed is an American invention by William Lawrence Murphy (1876--1959). It is a bed that is hinged at one end to store vertically against the wall, or inside a closet or cabinet.