<P> Fatal familial insomnia ( FFI ) is an extremely rare autosomal dominant inherited prion disease of the brain . It is almost always caused by a mutation to the protein PrP , but can also develop spontaneously in patients with a non-inherited mutation variant called sporadic fatal insomnia ( sFI ) . FFI has no known cure and involves progressively worsening insomnia , which leads to hallucinations , delirium , confusional states like that of dementia , and eventually , death . The average survival time for patients diagnosed with FFI after the onset of symptoms is 18 months . </P>
<P> Fatal familial insomnia ( FFI ) is an extremely rare autosomal dominant inherited prion disease of the brain . It is almost always caused by a mutation to the protein PrP , but can also develop spontaneously in patients with a non-inherited mutation variant called sporadic fatal insomnia ( sFI ) . FFI has no known cure and involves progressively worsening insomnia , which leads to hallucinations , delirium , confusional states like that of dementia , and eventually , death . The average survival time for patients diagnosed with FFI after the onset of symptoms is 18 months . </P>
what is the disease that makes you not sleep
what is the disease that makes you not sleep
Fatal familial insomnia ( FFI )
Fatal familial insomnia ( FFI )