Fox News | Sleep problems may increase risk of dementia, study suggests Fox News Autopsies were conducted on their brains to look for signs associated with dementia and Alzheimer's disease, like loss of brain cells, micro infarcts, plaques and tangles and Lewy bodies found in Lewy body dementia. The men were divided into four ... Sleeping badly in old age could spark dementia Alzheimer's And Dementia: Sleeping Habits Indicate Risk Of Memory And ... Alzheimer's charity launches £20m trials fund |