Once again, smart solution to utilize a small room, this solution is by use a wall bed, the beds is come with a modern minimalist style. This bed is from Espace Loggia and called Mobile Bed.
How we get smart space with this bed? At noon, when the bed is not used, we can make a room that serve as a playroom or a mini living room by hide the bed to the ceiling. And at night, lower the bed so we can sleep soundly. See picture below for more details.