Out Standard Murphy Bed seen here is comes in a Twin, Full, or Queen size models and are 97", 107", & 108" wide respectfully.
If you need a bed that you can move out of the way easily here is the choice for you. From the front with the bed in the upright position it looks like standard cabinet doors that could have shelves, a tv, or just about anything stored inside of them, but you have a bed in there.
It is very easy to raise and lower and is the ultimate in convenience and efficiency.