How long was the worlds longest coma?

Answer 1

Elaine Esposito went into a coma August 6, 1941 and died November 26, 1978 after 37 years and 111 days, which is the longest recorded coma.

Answer 2

Elaine Esposito holds the record for the longest coma, which lasted for 37 years from 1941 until her death in 1978.