I have only watched Another World regularly besides Days. While most of the dead characters stayed dead, a few did come back after being presumed dead. However, these were instances where no body was ever found.
A woman was presumed to have drowned but she came back after 18 years as the villain of the the time had kidnapped her (she had amnesia) and told her they were married. When she showed up on the show in 1986, she was shocked to find out she had a husband and four kids, and that her presumed husband had lied to her about their relationship. The role was played by Denise Alexander, who played Susan Martin on Days in the 1970s and I believe she has also played on General Hospital for years. A few years later, her daughter was presumed to have died in a plane crash, but it turned out she was placed in witness protection and her family and her husband found out she was alive after four years.
My point is, they had return from the dead storylines, but nothing supernatural and something that could actually have happened in real life.