The next best thing to sleeping among the trees is a bedroom turned into a forest. I love (and covet) the "Apple Tree Canopy Bed," above, by Attiladesign in Finland -- as well as the magical two beds below: "Tree.
If this bed's a rocking then. it's probably a cool new rocking bed. The Mood Rocking Bed is an indoor / outdoor bed built inside of a cylinder shaped frame. It can be left to rock or freeze in any position with rubber stops