Over the last hundred years or so we've lost something vital for our health and well being. In a nutshell..we have lost our electrical connection to the Earth. With the advent of rubber and plastic soled shoes and insulated mattresses in our insulated houses, most of us spend our lives totally disconnected from the Earth.
One only has to walk barefoot in the grass or on a beach to regain this connection and feel the nurturing effects of Mother Earth, and yet in our modern lives it can feel weird to even contemplate slipping our shoes off during the day. There area physical and scientifically verifiable reasons why we feel better when we actually do connect with the ground.