Study finds higher rate of dementia in those who get less sleep Research conducted over 30 years suggests that getting more than six hours sleep a night may be important during middle age about 6 hours ago Those who reported that they did not get more six hours sleep a night were found to have been more likely to develop dementia in later life according to a study conducted by researchers at University College London File photograph: Getty
People in their 50s and 60s who do not get more than six hours sleep a night appear to have a higher risk of developing dementia in later life, a major new study from University College London (UCL) suggests.