Direct sofas are a classic. There are a lot of variations. There are many sizes and colors. Direct sofas, like corner sofas, are usually placed along the walls and are often equipped with built-in tables, a minibar, and folding shelves. It is comfortable to sleep on such sofas.
Corner sofas should not be identified with sofas with an ottoman. In the East, the so-called variety of wide soft ottoman. In our furniture industry, the ottoman refers to the protruding part of the sofa. Often without armrests, but with a niche for storage.
Modern sofas with an ottoman in the interior successfully fulfill the role of corners, saving the space of small rooms, and often serve as the main berth for the owners.
Modular sofas consist of several parts and can be combined in different ways. Modules can be used as separate elements of furniture. The structure may include a module with a berth, but most often such sofas are designed for beauty and relaxation.