There are many, many other films that utilize this plot devide throughout cinema history. Although The Sixth Sense was one of the first that used it with such effectiveness, there have been several movies that came out before it even that worked in the same way. Here are some of those movies. Spolier alert.

>!Jacob's Ladder (1990) Passengers (2008) Sole Survivor (1983) Carnival of Souls (1962) Dead End (2003) Dead Man's Shoes (2004) A Tale of Two Sisters (2003) / The Uninvited (2009) Goodnight Mommy (2022) Atonement (2007) Source Code (2011) Last Christmas (2019)Stay (2005) Safe Haven (2013) Triangle (2009) Dead & Buried (1981) !<