How dangerous is insomnia? How fear of what it's doing to your body can wreck your sleep
- Written by Leon Lack, Emeritus Professor of Psychology, Adelaide Institute for Sleep Health, Flinders University

This article is the next in The Conversation’s six-part series on insomnia, which charts the rise of insomnia during industrialisation to sleep apps today. Read other articles in the series here.
I (Leon) have recently seen several patients who were concerned their insomnia symptoms would increase their risk for dementia. They...