A Cambridge University study shows that 7 hours of sleep is ideal for middle-aged seniors; cognitive performance, mental health


Seven hours of consistent sleep is ideal for middle-aged people and older, according to a Cambridge University study.

Scientists looked at data from nearly 500,000 adults between the ages of 38 and 73 for the study.

The team found that seven hours a night was the optimal length for cognitive performance and mental health. It also helps keep the brain healthy by eliminating waste, according to the study.

Research indicates that lack of sleep can also hamper the brain’s ability to get rid of toxins.

According to the researchers, people with anxiety and depression slept more or less.

Professor Barbara Sahakian from Cambridge University’s Department of Psychiatry is one of the study’s authors and says getting a good night’s sleep is not only important at any age, but particularly important as people age.

“Finding ways to improve sleep in older adults could be crucial in helping them maintain good mental health and well-being and ward off cognitive decline, especially for patients with psychiatric disorders and dementias,” Sahakian said.

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