http://insomniarevealed.com/fatal-familial-insomnia/ Insomnia Revealed has more information on this rare, genetic and fatal disease called Fatal Familial Insomnia (FFI).
http://insomniarevealed.com/i-cant-get-no-sleep/ Insomnia Revealed explains why some people say "I can't get no sleep." The website contains more information on insomnia, its causes, symptoms and treatment.