Space-efficient mattress Often used as a daybed Cons: Too small for couples A twin mattress measures 38 inches wide and 70 inches long. This size is most suitable for single sleepers shorter than 5 feet 10 inches. Thanks to its dimensions, the twin mattress is a great option for smaller ...
Most standard sheets made for beds will also fit a futon. There may be some slack, but that's easily addressed. First, find out what size futon you own. Futons tend to come in many sizes, depending on the manufacturer. Measure the futon from top to bottom. A twin bed is 39 inches ...