Is anyone familiar with the health benefits of being in contact with the earths surface.

Theres a product im quite interested in.

Wondered if anyone has bought this. i have read on other forums that have used it for various health problems,from ms,adrenal fatigue, with good results.

http://www.visionmagazine.com/archives/0806/mindstates-earthing.html

http://www.sleepingearthed.com/