For our bed, we decided to make a sliding bed rather than one that lifts up due to the discomfort of having a bed above your head.

Here is our SolidWorks assembly:

Here is our animation of how the bed operates:

http://www.youtube.com/watch?v=DbBFSVXolnE&list=HL1333128990&feature=mh_lolz

Bill of Materials: