As fatal familial insomnia progresses, patients completely stop sleeping and enter a coma-like state that results in death within months.

But one or more may occur without the others. Some children with conduct disorders seem to have a problem in the frontal lobe of the brain. This interferes with a child’s ability to plan, stay away ...

Sleep is important for many things, but not getting enough on a regular basis can be the start of serious health problems ...