This sofa bed is called “Book” and is designed by the Italian designers from Flou. Ideal boundary between day and night, Book has a dual function that makes it particularly suitable for small spaces. By day sofa is a modern, linear and elegant, the night turns with a simple gesture in a comfortable bed rest with a plan staves. The sofa isn’t to beautiful at a first glance, but when we think that is a piece of furniture that can also become a bed we skip this detail. - Via - Treehugger

This Sofa bed is a totally awesome piece of furniture, and I’m sure that this sofa bed is the best chooice for a small place. As you can see from the pictures you can have a beautiful sofa and a shelf durring the day, and when you want to sleep you can transform your sofa bed into a double bed. Just pull the back of your sofa, it gonna be a bed. This is really a perfect design. If you liked this sofa bed you can get one from Designandcomfort just send them an email or contact them over the phone. - Via - Inewidea

Now, this is the kind of smart sofa that I want in my living room.Not only that it looks great but it`s also multi functional .I bet you haven`t seen one of this yet , a sofa that converts into a bunk bed.You can even sleep peacefully in the top bed because the bunk bed comes with integrated supporting ladder and protection guard.All you have to do now is call over some friends for a sleep over. Sleep tight and don`t let the bugs bite!