Earthing is an ancient Ayuvedic technique for electrically connecting oneself to the energy of the ground. This energy arises from the movement of electrons in the ionosphere, which creates a natural global resonance of about 8 cycles per second (Hz). This energy is healing and restorative. Earthing is especially beneficial to use while sleeping.
The benefits of Earthing have recently been brought to the attention on westerners by the book Earthing.
Dr. Weyrich has personally found the following products to be especially useful (many more products are available):