Closet under bed! Dresser on rollers! I would replace the drawers with baskets & shelves, and put the closet above the bed. My dog sleeps on the bed & doesn't climb ladders and I prefer caves to heights.
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.