3926 pp. 1751-1754 1970,Ref.Scientific American 226:84-90 1972 This graph, from a Harvard Medical School research study, shows that during TM, the body comes into a state of rest that is twice as deep as even the deepest rest during sleep. More than 30 studies around the world have confirmed the deep rest during TM practice. This deep rest activates the inner healing power in our own bodies.