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Boston Globe: "Skimping on sleep linked to faster brain aging"

May 4, 2011

The Boston Globe reports that a study in the journal Sleep has linked sleeping too much or too little to faster brain aging. The study measured sleep duration and cognitive function in middle aged subjects for five years and found that those who shifted to sleeping less than seven or more than nine hours per night experienced a speedier decline in memory, reasoning skills, and vocabulary at the equivalent of a 4-7 year increase in age. DSM Faculty member Larry Epstein, MD quoted.

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