When Sleeplessness Kills

People who suffer from a rare form of insomnia can die from lack of sleep.

A genetic disease called fatal familial insomnia, or FFI, causes people to fall into a state in which they are neither asleep nor awake. Since they cannot fully sleep, they suffer from exhaustion, dementia and eventually death. There is no cure.

According to ABC News:

“The genetic mutation for FFI runs in families. Only 40 families are known to have this disease in the world, but most people have had at least one night where it seems impossible to fall asleep.”

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