Change the furniture to be more flexible and multifunctional not something easy like the use of magic. But that does not mean it can not be or likely to be done. With a few ideas and imagination to innovate then the designers will find ways and forms that are appropriate for your home that require high flexibility due to limited space. And the picture below shows how a modified form was created for the sake of convenience. Can you see a sofa into 2 in 1 (sofa and beds), desk and bed and much more. All that has multiple functions and is very flexible for use in the room is limited.