By | Eliza Sullivan | www.mindbodygreen.com
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Our sleep habits have a whole lot of power over our health, and we know that getting too little sleep can sometimes have harmful effects on the brain and beyond—but is there such a thing as getting too much sleep? According to a new study from a research team in Beijing, there might be. The peer-reviewed paper found that too few and too many hours in bed were linked to more rapid cognitive decline over time.
How scientists are studying the connection between sleep duration and cognition.
Using data from two long-term population studies on aging (the English Longitudinal Study of Ageing and the China Health and Retirement Longitudinal Study), the researchers behind this new paper pooled a group of over 28,000 individuals to establish the link between “extreme sleep patterns” and cognition over time.