Judged: two independent readers; copy check clear.
fatal familial insomnia
fatal familial insomnia Fatal familial insomnia is a very rare inherited sleep disorder passed down in an autosomal dominant pattern and linked to a mutation affecting the prion protein gene.
Fatal familial insomnia is a very rare inherited sleep disorder passed down in an autosomal dominant pattern and linked to a mutation affecting the prion protein gene. It typically begins in adulthood with trouble falling asleep, progresses to a complete inability to sleep, and is followed by worsening mental and motor functioning that soon leads to death.