The vagus nerve innervates much of our viscera – in fact all of our internal organs with the notable exception of the adrenal glands. It supplies parasympathetic fibers to these organs, meaning that the vagus nerve is a “rest and digest” nerve, not a fight or flight nerve. Van der Kolk on Darwin’s work, “the heart, guts and brain
vagus nerve, emotions & difficulty with mindfulness practices (article)

