<P> What is referred to as a "single bed" in many parts of the world may also be known in US terminology as a "twin bed ." In some countries, a "twin bed" may also be used to describe one of two single beds in the same room . As another example, in some cultures, the "full mattress" is referred to as a "master size bed ." </P> <P> One of the largest beds in the world is the Great Bed of Ware, made in about 1580 . It is 3.26 metres (10.7 ft) wide, 3.38 metres (11.1 ft) long . The bed is mentioned by Shakespeare in Twelfth Night . It is now in the Victoria and Albert Museum (V&A) in London . Another bed in the V&A is the Golden Bed created by William Burges in 1879 . </P> <P> In 1882, an Indian Maharajah had a bed made of solid silver . At each corner of the bed there was a life - sized statue of a naked woman holding a fan . When the Maharajah lay on the bed, his weight started a mechanism that made the women wave their fans . </P> <P> In 1865, a convertible bed in the form of an upright piano was available, which could provide home entertainment while saving space . </P>

Where did the name twin bed come from