bedup-hanging-bedSpace is an absolute premium in all the top cities of the world. Designed to get the most out of every square meter that is on offer, the BedUp concept is a hanging bed that allows you to fold it up into the ceiling during day and pull it back down when you need a few hours of sleep. With retractable feet and plenty of support, the sofa bed BedUp saves space and gives your room a fresh designer ceiling. Be prepared shell out some $4,000 at the very least if you want to buy this cool retractable bed. [via LeBlogDeco]