A machine that helps you take power naps at the flick of a switch, squeeze 8 hours of sleep into 2 or 3 hours. Transcranial magnetic stimulation induces slow brain waves and deep sleep, according to scientific researchers...
M. Ungerer, M. Bohm, J. Elce, E. Erdmann, and M. Lohse. Circulation, 87 (2):
454-63(February 1993)Ungerer, M Bohm, M Elce, J S Erdmann, E Lohse, M J In Vitro Research
Support, Non-U.S. Gov't United states Circulation Circulation. 1993
Feb;87(2):454-63..