Telegraph.co.uk | Alzheimer's could be flagged by sleeping in late Telegraph.co.uk Dr Rosa Sancho, from Alzheimer's Research UK, said: "While unusual sleep patterns are common for people with dementia, this study adds to existing research suggesting that changes in sleep could be apparent long before symptoms like memory loss start ... Diabetes could cause Alzheimer's: Link between high blood sugar and dementia confirmed Oversleeping could be an early symptom of Alzheimer's, new research suggests The Alzheimer's Society's Guide to Living Well With Dementia |