These loft beds are GENIUS! Talk about space-saving! 2 beds, 2 desks and WAY more storage than 2 dressers. Secure a railing on those steps and it's the perfect dorm setup! (How To Build A Shed With A Loft)
This is another example of a layout that would be easy to install in a studio apartment - a loft bed with stairs would be a cheaper and nicer space saving solution than buying a Murphy bed. Maybe even in a small bedroom.