From the 21 day lockdown in Varanasi, India. This fast, effective (and very cool) biohack begins with a demonstration of how movement of our eyes muscles connects to the suboccipital muscles at the back of the neck where the skull meets the spine. Yes, you really DO have eyes in the back of your head! Decompression of these muscles reduces tension in the neck, helps alleviate headaches, anxiety, sleep disorders and depression, and has been found to stimulate the Vagus nerve, a key factor in regulating the autonomic nervous system for overall well being. This is followed by the BASIC EXERCISE developed by Dr. Stanley Rosenberg that you can read about in his book, Accessing the Healing Power of the Vagus Nerve.