Beyond the three stages of the Self
When we pass through the three stages, Jagriti, Swapna and Sushupti, we enter into a state which is called Turiya. This is the fourth state, the transcendental stage. When one lives in the Turiya state, one becomes free from human bondage and death.
Sri Chinmoy, AUM — Vol. 8, No. 6, January 1973, AUM Centre Press, 1973