Both Howard Stern and Jerry Seinfeld practice Transcendental Meditation.
The TM technique involves the use of a sound or mantra and is practiced for 15–20 minutes twice per day. It is taught by certified teachers through a standard course of instruction, which costs a fee that varies by country.
According to the Transcendental Meditation movement, it is a method for relaxation, stress reduction and self-development. The technique has been described as both religious and as non-religious by sociologists, scholars, and a New Jersey court case.