This guy combined two rooms into one by building a roll-away bed under a stage, used for an office. You could even put two beds under the stage.
DIY Kid's Pallet Bed Real Pallet for twin bed
Hidden bed under sofa 30 Decorative Raised Floor Designs Defining Functional Zones and Adding Storage Space
DIY Pull Out Bed for extra guest bed in office. Use with self-inflating mattress?
Alternative to built-in drawers -- built in laundry basket drawers - great in a bathroom or closet - I love this idea!
Raised floor, extra space on top, and a pull out bed underneath! Maybe try this to have a guest room/office or playroom?
Disappearing Bedroom - liking this multifunctionality!
Build a Platform and Use It as an Activity Area and Tuck in Trundle Beds Underneath It to be Rolled Away When not Needed
Kids Room: Space Saving Kids Rooms Sample Design Ideas Cool And Creative Space Saver Beds For Kids, Space Saving For Small Rooms, Space Saving Bedroom Furniture
Combined Our Guest Bedroom and Home Office with a reverse loft! (Desk on top, roll out bed underneath!
Geniálny nápad, ako upraviť miestnosť na hosťovskú izbu a pracovňu
Many parents are faced with the problem of furnishing small-scaled kids& rooms. Check out these 6 Space Saving Furniture Ideas for your inspiration.