You are at liberty to transform your sofa into a large bed whenever you need rest. Just pull out the bed from the sofa and it is ready to take all the stress and tension out of your body and mind. The sofa beds are quite popular these beds because they provide a viable space saving solution to those struggling with space issue. The price is not so high and this inspires people to go for a sofa bed rather than a simple sofa.  It is actually a sofa with a bed hidden under it. The bed is not visible as you have to pull it out from the sofa. Sofa beds add elegance to the already beautiful living room. They are spacious and can seat as many as seven guests together. As far as the variety is concerned, you can choose between a semi circular sofa bed, sectional and small. The colors, designs and sizes of sofa beds make them a first choice of every home owner.