This site have shared some fairly good ideas for a floating bed and we’ve found a couple more from Bernstein Architecture Inc. Have a look at what they have set up and created:

About the company:

Our approach is as different as our design. We do not ask clients to look for what they like in magazines; we ask clients to dream of what they want. Even then, we believe in exploring beyond what our clients might imagine. We believe that a limited construction budget is not a hindrance to great design. Our goal remains the same – inspired architecture.

Via Bernstein