For the bedroom, I'd want to orbit important things in the room like the bed, the dresser with the mirror, the dresser with the projector, the bookshelf, the clothes hamper, the wardrobe, etc.
After you've shot a good spin of those types of things, what you've done is teach Photosynth how to recognize any of those things from all sides you can walk to, so the only photo which sees those things that won't link to at least one of the photos in the spin of that thing is one which is far enough away that the size difference is too big of a leap for Photosynth to make.
If you have room, you could shoot one or more additional orbits of any of those things, moving further away with each orbit.
Alternately, you can just shoot what we call Walks in Photosynth 2 between your spins that teach Photosynth how to get from the Spin of the bed to the Spin of the dresser with the mirror.
With large flat surfaces like the dresser top, I'd shoot what we now call a Wall synth.