Unusual Bed Design

Bed sizes
Bed sizes vary considerably around the world, with most countries having their own standards and terminology.
While the double size appears to be standard among English speaking countries, based on the imperial measurement of 4 ft 6 in by 6 ft 3 in (137,16 cm x 190,5 cm), the sizes for other bed types tend to vary. The mainland European sizes differ, not merely because of difference based on use of the metric system.