Sofa Beds are becoming more and more popular and as everyone knows a sofa bed is basically a sofa which can be converted into a bed ! They are particularly useful in rooms where space is limited. Sofa beds are also used in rooms which have a dual purpose such as a study / guest room. With the increase in popularity, sofa bed design has also advanced and they are a lot more comfortable to sit on and to sleep on than they were several years ago. Over the years, sofa beds have also become much simpler to use with smoother systems for converting the sofa into a bed. You should be clear about how much use your sofa bed will get before you make your final decision since a lot of sofa beds, while suitable for general use as a sofa, are only suitable for occasional use as a bed. If you are buying a sofa bed which will bed used as a bed a lot, it will need a much higher quality mattress than a sofa bed which will only be used as a bed infrequently.
Sofa beds come in a variety of sizes and can be converted to form single beds or double beds depending on which size you choose. You may also have the choice of a two seater sofa or a three seater sofa. The traditional design of sofa bed opens out so that the back of the sofa becomes the headboard. The more modern futon style sofa bed is transformed into a bed by lowering the back of the sofa until flat.
Good luck with your sofa bed search !