In the 19th century and before, being literally buried alive was an ever-present worry, as medicine could sometimes mistake a comatose or otherwise unresponsive patient for a cadaver.
Because of this, people developed “safety coffins” that would allow the buried person to alert those above ground that the corpse in the coffin was not, in fact, a corpse.
YOU ARE READING
Creepy Facts
RandomIf you're feeling brave enough, this book of creepy facts makes for some interesting read.
