There is this technique: https://therapyinanutshell.com/vagus-nerve-exercise/ https://therapyinanutshell.com/vagus-nerve-exercise/ that seems to stimulate the v

There is this technique: https://therapyinanutshell.com/vagus-nerve-exercise/ https://therapyinanutshell.com/vagus-nerve-exercise/ that seems to stimulate the vagus nerve.