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People who sleep longer twice as likely to develop dementia
New research suggests those who sleep for more than 9 hours each night are at a higher risk of developing dementia. Over 46 million people are living with dementia worldwide, and the number is expected to almost triple by 2050. In the United States, over 5 million people are currently estimated to have Alzheimer's disease. The disease risk increases with age, as 1 in 3 seniors die with Alzheimer's or another form of dementia. The financial burden of the disease is also great. American families are believed to spend over $5,000 yearly on caring for someone with Alzheimer's, and the national economic burden is estimated at...