You need to cut some wood (d > t)and build a Carpenter's Workshop to make beds (b > w > c). What you are doing is trying to place a bed. To get rid of the rocks you need to make a stone pile. (p > s) Then your dwarves with take those rocks to the pile for storage.
Bloody hell, workshop isn't even listed in the build menu, which means I'd have to have known to hit 'w' in the first place. o_O eld: yup, was just wondering if it was worth it to start with the new build now, rather than waiting for it to stabilise, bugs-wise. I've decided to stick it out for now, though. It's bloody…