Staying awake 24 hours causes an impairment equal ... Max’s book, The Family That Couldn’t Sleep, explores the mystery of fatal familial insomnia. Maggie Steber photographed the story on ...

They can then pass this mutation on to their children in the regular way. Related: Not all insomnia is the same — in fact, ...

Context: Fatal familial insomnia (FFI) is a genetically transmitted neurodegenerative prion disease that incurs great suffering and has neither a treatment nor a cure. The clinical literature is ...