Loft bed from the Swedish company Compact-living. The concept is particularly great for a small or tiny house because it eliminates walls below. While the ladder doesn't look super fun to use the lighting and bed solution is innovative and fun.
Clever Bed Designs With Integrated Storage For Max Efficiency
This makes way more sense for a tiny house than those high lofts they keep putting in. A lot closer to the bathroom LOL. You could integrate the kitchen into it even. Loft bed with storage drawers under - Home Decorating Trends - Homedit