Italian furniture manufacturer Dielle, has created what they call a ‘Container Bed’, which is a normal bed that has been raised to include storage underneath. It’s a solution designed for small apartments that often don’t have enough storage space.
Why couldn't you do this out of PVC pipe and shower curtains with rings? I might have to give it a try. adjustable canopy, DIY with shower curtain rings, grommets, canvas, PVC sprinkler pipes set over stakes.