What is the purpose of saying “God Bless You” when someone sneezes?
Common among these explanations are: At one time people believed a man’s soul could be inadvertently thrust from his body by an explosive sneeze, thus “Bless you!” was a protective oath uttered to safeguard the temporarily expelled and vulnerable soul from being snatched up by Satan (who was always lurking nearby). The purpose of the oath was to cast a temporary shield over the flung-out soul which would protect it just long enough to regain the protection of the corporeal body. Conversely, the sneeze itself was the expulsion of a demon or evil spirit which had taken up residence in a person. Therefore, although the “Bless you!” was again a protective charm meant to protect the sneezer from evil, in this version it was meant to ward off the re-entry of an evil spirit which a tormented soul had just rid itself of. The heart was believed to momentarily stop during a sneeze (it doesn’t), thus the “Bless you!” was uttered either as a supplication for life to return or as a congratulation u
