Dementia Risk After Age 50 Increases With Less Sleep, Study Says The New York TimesSleeping Six Hours or Less Linked to Higher Dementia Risk, Study Finds The Wall Street JournalSleeping less than 6 hours a night in midlife raises risk of dementia 30%, study finds CNNStudy: Middle-aged people who get poor sleep could face higher risk for dementia | TheHill The HillDementia Researchers Warn Against Too Little Sleep NewserView Full Coverage on Google News