[GELORA45] The Perfect Amount of Sleep for People Over 40

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The Perfect Amount of Sleep for People Over 40 (webmd.com)
<https://www.webmd.com/sleep-disorders/news/20220503/scientists-calculate-perfect-amount-of-sleep-for-folks-over-40?ecd=wnl_gdh_051222&ctr=wnl-gdh-051222_lead_cta&mb=EsK%2Fv1kKdCX87D0lUcGhkRJZpsk9%40mj56yEpHjCHFE8%3D>



*The Perfect Amount of Sleep for People Over 40*

*By Robert Preidt HealthDay Reporter*
*HealthDay Reporter*

TUESDAY, May 3, 2022 (HealthDay News) -- Are you over 40 and wonder what
the magic amount of sleep
<https://www.webmd.com/sleep-disorders/sleep-disorders-faq> every night
might be? A new study arrives at an answer.

It turns out that seven hours of sleep a night may be the ideal amount for
keeping your brain <https://www.webmd.com/brain/picture-of-the-brain> in
good health if you're middle-aged or older.

"Getting a good night's sleep
<https://www.webmd.com/sleep-disorders/news/20220503/scientists-calculate-perfect-amount-of-sleep-for-folks-over-40?ecd=wnl_gdh_051222&ctr=wnl-gdh-051222_lead_cta&mb=EsK%2Fv1kKdCX87D0lUcGhkRJZpsk9%40mj56yEpHjCHFE8%3D>
is
important at all stages of life, but particularly as we age. Finding ways
to improve sleep for older people could be crucial to helping them maintain
good mental health
<https://www.webmd.com/mental-health/mental-health-types-illness> and
well-being and avoiding cognitive decline, particularly for patients with
psychiatric disorders and dementias," said study author Barbara Sahakian,
from the University of Cambridge's department of psychiatry
<https://www.webmd.com/mental-health/guide-to-psychiatry-and-counseling>,
in England.

For the study, the investigators analyzed data on sleep patterns, mental
health and well-being from nearly 500,000 British adults, aged 38 to 73,
who completed a series of thinking tests. Brain imaging and genetic data
were available for nearly 40,000 of the participants.

Seven hours of sleep per night was optimal for cognitive ("thinking")
performance and mental health, according to the study published April 28 in
the journal *Nature Aging*
<https://www.webmd.com/sleep-disorders/news/20220503/scientists-calculate-perfect-amount-of-sleep-for-folks-over-40?ecd=wnl_gdh_051222&ctr=wnl-gdh-051222_lead_cta&mb=EsK%2Fv1kKdCX87D0lUcGhkRJZpsk9%40mj56yEpHjCHFE8%3D>
.

Participants who got too little or too much sleep did worse on tests that
measure processing speed, visual attention, memory and problem-solving
skills. They were also more likely to have symptoms of anxiety
<https://www.webmd.com/anxiety-panic/guide/anxiety-attack-symptoms> and
depression
<https://www.webmd.com/depression/understanding-depression-basics>, and
worse overall mental well-being.

The study also found a link between amount of sleep and differences in the
structure of brain regions involved in cognitive processing and memory,
with greater changes associated with less or more than seven hours of sleep
a night.

The findings suggest that too little or too much sleep may be a risk factor
for mental decline as people age.

Previous studies have reported a link between amount of sleep and the risk
of developing Alzheimer's disease
<https://www.webmd.com/sleep-disorders/news/20220503/scientists-calculate-perfect-amount-of-sleep-for-folks-over-40?ecd=wnl_gdh_051222&ctr=wnl-gdh-051222_lead_cta&mb=EsK%2Fv1kKdCX87D0lUcGhkRJZpsk9%40mj56yEpHjCHFE8%3D>
 and dementia <https://www.webmd.com/alzheimers/types-dementia>.

"While we can't say conclusively that too little or too much sleep causes
cognitive problems, our analysis looking at individuals over a longer
period of time appears to support this idea," study author Jianfeng Feng, a
professor at Fudan University in China, said in a Cambridge news release.
"But the reasons why older people have poorer sleep appear to be complex,
influenced by a combination of our genetic makeup and the structure of our
brains."

*More information*

The Sleep Foundation offers healthy sleep tips.

SOURCE: University of Cambridge, new release, April 28, 2022

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© 2013-2022 HealthDay. All rights reserved.View privacy policy and trust
info
<https://www.webmd.com/sleep-disorders/news/20220503/scientists-calculate-perfect-amount-of-sleep-for-folks-over-40?ecd=wnl_gdh_051222&ctr=wnl-gdh-051222_lead_cta&mb=EsK%2Fv1kKdCX87D0lUcGhkRJZpsk9%40mj56yEpHjCHFE8%3D>

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