A 18-year-old male asked:
My grandmas been dead a couple yrs now from dementia but if she had fatal insomnia, it would've been diagnosed right?
1 doctor answer • 12 doctors weighed in
A Verified Doctoranswered
41 years experience
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.
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4.8k viewsReviewed >2 years ago
Last updated May 7, 2016
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