Rainbow, yes, sleepwalking is in itself a form of dissociation (I'm sorry, I may have already said that). A number of things can cause sleepwalking - extreme stress, trauma, medication, some neurological conditions, and who knows what else. It wouldn't surprise me at all if people with severe MI have more of a tendency toward sleepwalking than "neuronormals" do.
Whenever I've sleepwalked I was undergoing an extremely stressful/emotional event of some kind, in my waking life. But who knows, as usual, whether pure stress caused it or whether the combination of BD and stress caused it.
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