Most people can relate to the occasional sleepless night, but for sufferers of a rare form of insomnia, sleeplessness can be fatal.
Silvano, an Italian man who suffered from such a condition, lost the ability to sleep at age 53. Four months after checking into a sleep clinic in Bologna, Italy, in 1984, Silvano went into a coma and died. Through Silvano's case, Italian scientists discovered an extremely rare genetic disease called fatal familial insomnia, or FFI.
FFI sufferers fall into a...Full Story