(Sanskrit) Literally "blissful sheath." Also called karana-sharira. One of the five koshas (sheaths or bodies) in Hindu Vedanta and the Upanishads. Corresponds to the Causal body. In Kabbalah, it is related to the sephirah Tiphereth.
"When we are in the physical world, we must learn to be awake from moment to moment. We then live awakened and self-conscious from moment to moment in the internal worlds, both during the hours of the sleep of the physical body and also after death."