He also notes that: “The cumulative effect of these vibrations may be able to trigger a spontaneous physio—Kundalini sequence in susceptable people who have a particularly sensitive nervous system.
Although normally a period of meditation involving intense concentration and practice for five years or some is required to “bring up the Kundalini”, Bentov states that exposure to mechanical or acoustical vibrations in the range of 4-7 Hertz (cycles per second) for protracted periods may achieve the same effect.