Great work on the lighing for the daytime scene, looks great, What method did you use to light it?
Also no too sure if its the resolution of the pic (or my eyes!!) but the wood grain in the top pic seems a bit to uniform and in some parts the wornd direction, if you get my meaning?
If it was me I would uv map the bed then apply some hi res wood textures to it in photoshop, just to give it that notch up on the realism.
"No pressure, no diamonds" Thomas Carlyle