Tech Times | More Than 9 Hours Of Sleep Could Indicate Alzheimer's Disease: Here Are Other Warning Signs Of Dementia Tech Times Dementia is a condition marked by loss of memory and other mental abilities grave enough to interfere with daily life. The condition is caused by physical changes in the brain. The most common type of dementia is Alzheimer's disease, which accounts for ... Sleeping longer than 9 hours could be a sign of dementia REVEALED: How oversleeping is linked to dementia later in life ... Is Prolonged Sleep An Early Warning Sign Of Dementia? |