http://www.iol.co.za/index.php?set_id=1&click_id=31&art_id=vn20070506145433825C287559

Magnetic pulse "slow wave" inducing deep sleep aid.  Makes 3 hours as effective as 8 hours of sleep.

A direct connection into the mind?  With magnetic waves. Or a future candidate for "The Museum of Banned Medical devices"?