What is a dorsal shutdown of the Nervus Vagus?

When you experience a dorsal vagal shutdown (freezing), some of the typical symptoms may include feelings of numbness or dissociation. Or a feeling of being disconnected from others or reality. You may experience fatigue or low energy levels, slow breathing or heart rate. You may also experience digestive problems and nausea.

Dorsal vagal shutdown is a term from Polyvagal theory, you can read more about it here.