Tiny Living, an online store specialized in furnishings for small places, has a very interesting sofa named Swivel Sofa Sleeper. An interesting piece of furniture, as it can be easily converted into a bed, according to your needs. Combining contemporary style with multifunction versatility, in sofa mode, it can swivel 360 degrees. When you flip the seating surface over, it offers adjustable lounging: The backrest features integrated multi-positional hinges, so you can choose the angle of comfort you desire.

An interesting option for my readers who commented here and that are looking for inexpensive stuff, this sofa is $640.