Any room should be tall enough for side-mount beds. For a vertical twin or full, you need at least 82 1/2 inches; for a vertical queen, you need at least 87 1/2 inches.

In general, a wall bed is more comfortable than a sleeper sofa, and it all comes down to the mattress. .You also have greater versatility when it comes to the mattress for a wall bed. Most wall beds accommodate mattresses as thick as regular bed mattresses, which gives you a lot more cushioning.

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.