Earthing sheets are a very easy way to earth. They provide a conductive connection with the earth during sleep time. Night-time is when the body repairs and regenerates, creating better next days. Earthing at this time helps us to sleep better and repair and rejuvenate better. the half sheet is effective, we just need bare skin connection with it. It is easy to wash and travel with and is suitable for any bed. Standard Connection is for UK mains.