In order to arrange furniture in an apartment, you should considering several factors including the size, shape and the color of the furniture. I recommend you to use some small recliners for apartments than a set of big sofa. A small recliner is enough for a single person and perfect for private room. Additionally, you will need another simple chairs at the room for the guests.
Furthermore, this idea is one of another ideas for designing an apartment. You can also browse our gallery below to get more inspiring pictures of apartment.