How dangerous is insomnia? How fear of what it's doing to your body can wreck your sleep.

For example, although somestudies have found small increases in dementia risk withhaving insomnia, a very large UK study did not find anyrelationship between the amount of sleep or sleepingdifficulties and dementia risk. Studies relating insomnia to health risks are alsotypically inconsistent. I (Leon) have recently seen several patients who wereconcerned their insomnia symptoms would increase theirrisk for dementia. [Extracted from the article]