A member asked:

My grandmas been dead a couple yrs now from dementia but if she had fatal insomnia, it would've been diagnosed right?

A doctor has provided 1 answer

Fam. Fatal Insomnia: Familial fatal insomnia would not have been missed. It is extremely rare. Average age of onset is 50 years old. Life expectancy is 7-36 months.

Answered 5/7/2016

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