Daily Star | This sleeping habit is an early warning sign of Alzheimer's – do YOU do this? Daily Star Memory loss that disrupts daily life may be a symptom of Alzheimer's or another dementia. Alzheimer's is a brain disease that causes a slow decline in memory, thinking and reasoning skills. There are 10 warning signs and symptoms. Every individual may ... More Than 9 Hours Of Sleep Could Indicate Alzheimer's Disease: Here Are Other Warning Signs Of Dementia Sleeping longer than 9 hours could be a sign of dementia - Lifestyle ... Long morning lie-ins may be early Alzheimer's symptom |