Sometimes, my friend seems like a Kripalu counselor, and not a speech therapist living in South Orange. "You're having trouble with the bedtime routine?" she says. "Each step should be full of sensory delight. Your son should actually eagerly look forward to all of the little tasks before sleep. Taking a bath should be a soothing journey; the bubbles should calm and reassure him." My son throws himself out of the bath, nude, and grabs a framed picture from the wall. He tosses it off the balcony, so it splats on the wooden floor far, far below. "Attention!" he shouts. "It's HAMMER TIME!" "Hi, Josh," says my spouse. "Did you enjoy your soothing sensory experience?" It's fun to see my son's mind expanding, and to hear the evidence. He now knows to barter; if bedtime is approaching, he will request to "see the beach," "take a drive," "watch a storytime." If he attempts something new a...