Except we know it is internal to neuro stimuli, so external make believe such as "God" doesn't enter into it.

Mind you, both dreaming and God are examples of enthusiastic neuro activity, but Newton Wellesley is a recognised concern, it's people often publishing in New England Journal of Medicine, BMJ, Lancet etc, so I very much doubt God as a variable enters into their hypothesis or outcome. If it did, it means they have shown evidence for a God as more than imagination, which would be a miracle in itself...

Ascribing the unknown to God is something peasants used to do before education invoked reason. Nowadays there tends to be one in every village