Amount Of Sleep May Affect Cognitive Ability

A new study states that older people who get approximately six to nine hours of sleep every night may have better cognitive abilities when compared to those who sleep less than six hours or more than nine hours nightly. The study has found substantial evidence suggesting that sleep amount and cognitive problems, such as dementia, may have a direct correlation. The study’s lead author, Theresa E. Gildner said, “we wanted to look at aging, particularly dementia and cognitive decline as people get older, and the importance of sleep. Our results provide compelling evidence that sleep matters a lot. In all six countries, which are very different culturally, economically and environmentally – despite all these differences – you see similar patterns emerging.” More here

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