Adishesha, the divine thousand-headed ser-pent, is the couch for Lord VISHNU as he sleeps between eras on the vast ocean of milk. When the MILK OCEAN was churned by the demons and gods to produce the nectar of immortality, Adishesha 7 J
Adishesha was the churning rope, according to some versions of the story. It is also said that, when time begins again in a new era, the world sits on the head of Adishesha; whenever he stirs, earthquakes result. At the end of each cosmic era he vomits out the fire of destruction, which incinerates the universe.
In the story of PRAHLADA and HIRANYAKASHIPU, Prahlada prays to Adishesha when forced by his father to eat poison and is saved. Other stories associate Adishesha with cosmic poison in differ-ent ways.
Many different personages in Indian tradition have been said to be incarnations of Adishesha, most notably BALARAMA, the brother of Lord KRISHNA. Adishesa is usually described as the son of a rishi, a seer. However, as is common in Indian mythology many contradictory stories exist, and some say that he was born of SHIVA. He has even been identified with the eternal, all-encompassing BRAHMAN itself.
Further reading: Cornelia Dimmitt and J. A. B. van Buitenen, Classical Hindu Mythology: A Reader in the Sanskrit Puranas (Philadelphia: Temple University Press, 1978); E. Washburn Hopkins, Epic Mythology (Delhi: Motilal Banarsidass, 1986).
Encyclopedia of Hinduism. A. Jones and James D. Ryan. 2007.