Our nervous systems are constantly working for us. Enabling us to type on our computers (or thumb through our phones). Pumping blood throughout our bodies. Making sure we have the right resources for the moment we are facing. In truth, that last part - providing the right resources to face the situation - is an area where we have room for growth. Our autonomic nervous system manages our survival functions. It makes sure we breathe, digest food, distributes oxygen throughout

Almost every room in our house has lights on a dimmer switch. When we first moved in, this feature allowed us to set the brightness of...