The Claim That Sleeping With a Fan On Can Kill You
It was a summer night.
The door was closed, and the window was only half‑open.
The room, heated all day, refused to cool down.
Someone pointed a fan toward the bed and fell asleep.
The next morning, that person did not wake up.
For years, the news described such cases the same way:
“Died while sleeping with the fan on.”
By today’s standards, it’s a strange sentence.
A person died, and there happened to be a fan running in the room—
yet at some point, the fan stopped being a simple object and became the supposed cause of death.
Korea’s “fan death” belief became so well‑known that foreign media introduced it as a uniquely Korean urban legend.
Reuters reported in 2007 that many Koreans believed “sleeping with a fan on in a closed room can be fatal,” while doctors and researchers said there was no scientific evidence to support it.
But this wasn’t just a story adults made up to scare children.
In 2006, the Korea Consumer Protection Board listed “fan/air‑conditioner suffocation accidents” among the top five summer safety concerns.
Their guidelines advised setting a timer, using oscillation mode, and keeping the door open when sleeping with a fan or air conditioner on.
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