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Hitting the Sleep Sweet Spot Can Keep your Brain Sharp

A study found short and long-term experienced greater cognitive decline compared to those who Sleep a moderate amount.The research, published in the journal Brain on Wednesday.The study included 100 adult participants whose average age was 75-years-old across a span of four-and-a-half years. Scientists conducted cognitive testing on those individuals and found overall scores declined for the groups who self-reported approximately fewer than five-and-a-half hours of and also those who reported more than seven-and-a-half hours of Sleep.

Dr. David Holtzman, a professor of neurology at the Washington University School of Medicine in St. Louis and the co author of the study said that it was interesting to see that not only those with short amounts of but also those with long amounts of Sleep had more cognitive decline. It suggests that quality may be key, as opposed to simply total.

The researchers aimed at untangling the complex connections between Sleep and cognitive decline and said the findings could help people keep their minds sharp, especially as they age. Alzheimer’s disease is a progressive neurological disorder that affects just under 6 million people in the United States ages 65 and older.

It is the most common cause of dementia, and poor Sleep has been shown to accelerate the disease’s progression. While most of the study participants did not have cognitive impairment, the researchers said those analyzed for the study were tested for cognitive decline and evidence of early Alzheimer’s disease.

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