Alzheimer's News Today | Prolonged Sleep May Predict Future Risk of Dementia, Study Shows Alzheimer's News Today The researchers then observed them for 10 years to see who developed Alzheimer's disease and other forms of dementia. Over the 10-year period, 234 patients developed all-cause dementia. Researchers then linked prolonged sleep duration with a higher ... This sleeping habit is an early warning sign of Alzheimer's – do YOU do this? Long morning lie-ins may be early Alzheimer's symptom More Than 9 Hours Of Sleep Could Indicate Alzheimer's Disease: Here Are Other Warning Signs Of Dementia |