Getting enough sleep is important for all kinds of reasons: our bodies and our minds Simply work better When we rest well. “Sleep affects every tissue in our body.” Michael Twery, MD, told the National Institutes of Health (NIH). “It affects growth and stress hormones, the immune system, appetite, respiration, blood pressure and cardiovascular health.” Neuroscientist Merrill legendsMD, adds: “Sleep affects all aspects of our body in one way or another: molecular, energy balance, as well as mental functions, alertness and mood.”

The amount of rest we need each night varies from person to person. While some may feel good with just six hours of eye contact, others need a full eight or more to feel like they’re performing at their best. However, a recent study raised a red flag about the link between getting a certain amount of sleep a night and the risk of developing dementia down the road. Read on to find out what sleep experts say can put you in the danger zone.

Read this next: Research shows that doing this at night can help you avoid dementia.

Caregiver girl in wheelchair in park with red rose hug and help Asian elderly or elderly woman.
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There are more than 55 million people worldwide. Currently living with dementiaAnd about 10 million new cases are diagnosed each year, according to the World Health Organization (WHO). Early symptoms may include forgetfulness, losing track of time, and getting lost in places you’ve been, experts write. As the condition progresses, people with dementia have increasing difficulty communicating and caring for themselves, and eventually, they become disoriented, misbehave, and have trouble recognizing loved ones.

Dementia can be the result of Alzheimer’s disease – which is the main cause of the disease – or it can come from a stroke, traumatic brain injury or another disease. Sometimes the exact cause of dementia is unknown. Regardless of the cause, the World Health Organization lists dementia as the seventh leading cause of death worldwide, and there is currently no cure for the disease.

Read this next: Doing this at night makes dementia 30 percent more likely.

A person who sleeps in bed
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If you’re concerned about your cognitive function and want to stay at your best for as many years as possible, getting a good night’s rest is one of the things you can do for your brain. “Insomnia impairs critical thinking, problem solving and attention to detail,” Mittler told the NIH. “The fact is, when we look at people who are well rested, they’re performing at a different level than people who try to get an hour or two less sleep a night.”

Studies link common sleep issues Like snoring And Sleep apnea They also have a higher risk of developing dementia, so if you struggle with either, it’s important to talk to your doctor about how to best manage it.

A researcher who studies brain scans

While getting plenty of sleep is important, two relatively recent studies have raised concerns about sleep. as well as A lot and what it could mean for your cognitive health.

In February 2020, the study was published in the journal Alzheimer’s and dementia He found that sleeping more than nine hours each night was linked to memory loss and learning difficulties – both of which are risk factors for dementia. ““Insomnia and prolonged sleep duration appear to be associated with a decline in neurocognitive functioning that precedes the onset of Alzheimer’s disease,” said the study’s lead author. Alberto R. RamosMSPH, in a press release.

Previous research, published in the February 2017 issue NeurologyOld people who were sleeping were found More than nine hours at night— but those who started sleeping longer recently — were more than twice as likely to develop dementia ten years later. However, researchers say they aren’t sure if hyperopia is a cause of dementia or a sign of cognitive decline.

“We’re not suggesting you wake up, Grandma.” Suda SeshadriMD and senior author of the study, Neurology. “We think this may be a sign of dementia risk rather than a cause.”

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A senior couple was smiling and dancing with each other.

While the possibility of developing dementia is certainly scary, it’s important to understand that certain lifestyle factors can. Help him not to disappear. Things like getting regular exercise and eating a diet rich in fruits, vegetables, whole grains, and unsaturated fats can help, according to the NIH’s National Institute on Aging. Controlling your blood sugar and maintaining a healthy weight can also help treat hearing loss – if you’re told You need hearing aidsWear it – and Stay connected with friends and family. And of course, sleep a lot – but maybe not. as well as A lot of sleep will help you stay on your toes, too.

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