TIL that there is a condition called fatal insomnia where people one day can no longer fall asleep, and eventually die due to this lack of sleep.

Read more: https://en.wikipedia.org/wiki/Fatal_insomnia#:~:text=Fatal%20insomnia%20is%20an%20extremely,months%20to%20a%20few%20years

What do you think?

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  1. I learned about this last year and read a bunch of papers on it. It’s very interesting. Apparently the cause of death is brain damage, but it’s unclear if the damage is caused by the lack of sleep or if the lack of sleep is due to brain damage. Either way it looks like an awful way to go, and the average prognosis is like 1 year. [I read about this guy that lasted 2 years, but apparently he was the exception.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1781276/)

  2. The real sad part is you can get tested for FFI, if you’re from one of the families, long before you get the symptoms. So you can end up knowing exactly how and pretty much when you’ll die.

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