This girl rocks.  Figuratively , of course, because she's pretty wonderful, and we love her lots.  But, most certainly literally .  You see, starting around her first birthday, she started rocking in her bed during naps and before bedtime.  She didn't do it a whole lot, but it was enough that we noticed it, as her rocking would get so rough (the sides of those things are springy!) that she'd practically bounce off the wall if the playpen was too close. She doesn't suck her thumb or take a pacifier, so this, for some reason, became her soothing mechanism of choice.  When we moved her to a crib, the rocking became even more persistent. And far noisier.  I started to find her crib halfway across the room most mornings. I began putting grippy strips under the legs of the bed and little bumper pads on the backs of the side rails that touched the wall. None of that would have been an issue, except she's keeping Jack (and me) awake, which is not ...