The most effective time you can spend grounding is at night. Enjoy a deeper sleep and wake up feeling refreshed with The Ground Therapy Sleep Mat. The Sleep mat is designed to sit under any NATURAL FIBER fitted sheet and cover the entire area of the body. The bed mat is made of a soft and 100% conductive perforated carbon leatherette that feels great against the skin, and its larger surface area allows for fuller body contact. Everybody should ground every night. Kit includes bed mat, outlet checker, user instructions and grounding cord.