Little or poor sleep may be associated with worse brain function when aging

June 26, 2014
Science Daily/University of Warwick
Sleep problems are associated with worse memory and executive function in older people, new research concludes. Analysis of sleep and cognitive (brain function) data from 3,968 men and 4,821 women was conducted in a study where respondents reported on the quality and quantity of sleep over the period of a month.

In adults aged between 50 and 64 years of age, short sleep (<6hrs per night) and long sleep (>8hrs per night) were associated with lower brain function scores. By contrast, in older adults (65-89 years) lower brain function scores were only observed in long sleepers.

Dr Michelle A Miller says "6-8 hours of sleep per night is particularly important for optimum brain function, in younger adults." These results are consistent with our previous research, which showed that 6-8 hours of sleep per night was optimal for physical health, including lowest risk of developing obesity, hypertension, diabetes, heart disease and stroke".
Science Daily/SOURCE :http://www.sciencedaily.com/releases/2014/06/140626172854.htm

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