Met-Met patients demonstrate a different sleep pattern than Met-Val patients, including severe fragmentation, brief but repeated episodes of sudden-onset REM (with oneiric enactment), and an ...

Fatal familial insomnia is a hereditary sleep disorder that currently affects about 30 families throughout the world, making ...

The chief clinical features of FFI include a progressive and ferocious insomnia, waking "sleep," hallucinations, autonomic disturbances suggestive of sympathetic overdrive (tachycardia ...

The genetic history of sisters Carolyn Schear (at right) and Cheryl Dinges puts them at risk for fatal familial insomnia, a deadly inability to sleep. Schear learned she doesn’t carry the gene.

The Cleveland Clinic calls fatal familial insomnia a “rare genetic condition” affecting the brain and central nervous system. Those affected may have trouble sleeping, memory loss and muscle ...