It can be worth a little effort to achieve this highly desired, but often elusive, goal A good night’s sleep.
Deep sleep cleans the brain of waste the way a “dishwasher” cleans dirty plates and glasses, just-published research suggests — and there’s more.
The findings also offer insight into how sleeping pills can affect the “brainwashing” system — potentially affecting Cognitive function For long time people.
Another reason to get more sleep and this one may surprise you
Norepinephrine (a neurotransmitter and hormone), said the study’s senior author Professor Makin Nedergaard from the University of Rochester and the University of Copenhagen. Stimulates blood vessels. Contraction – creating a slow pulsation that creates a rhythm in the surrounding fluid to remove waste, noted news agency SWNS.
“It’s like turning on the dishwasher before you go to bed and waking up with a clear mind,” Niedergaard said. Trying to define restorative sleep based on
According to scientists, the brain has a built-in waste removal process — the glymphatic system — that circulates fluid in the brain and spinal cord to clean out waste.
This process helps remove toxic proteins that form the sticky plaques associated with neurological disorders, such as Alzheimer’s disease.
But the scientists indicated that what drives this system, according to the study, was still unclear.
Is all sleep created equal? The researchers wanted to know.
To find clues, Niedergaard and his team examined what happens in the mice’s brains when they sleep, as SWNS reported on the study. The team focused on the relationship between norepinephrine and blood flow during deep sleep.
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They found that norepinephrine waves correlated with changes in brain blood volume—suggesting that norepinephrine stimulates rhythmic movements in blood vessels. The researchers then compared Changes in blood volume In the flow of cerebrospinal fluid.
Cerebrospinal fluid flow follows changes in blood volume, suggesting that veins act as pumps to remove waste from the surrounding cerebrospinal fluid.
During deep sleep, toxic proteins that form the sticky plaques associated with neurological disorders such as Alzheimer’s disease are removed, scientists say in a new study. (iStock)
“You can look at norepinephrine like this,” said Natalie Hoglund of the University of Copenhagen and the University of Oxford, lead author of the study. [the] The conductor of the orchestra.”
“There is a synchronicity in the narrowing and dilation of the arteries, which then drive cerebrospinal fluid through the brain to remove waste products,” she added.
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Hauglund said she wants to understand if all sleep is created equal.
To find out, the research team administered zolpidem, a common sleep aid, to mice.
“If people aren’t getting the full benefits of sleep, they need to be aware of it, so they can make informed decisions.”
They found that norepinephrine waves during deep sleep were 50 percent lower in zolpidem-treated rats than in naturally sleeping rats.
Although zolpidem-treated mice fell asleep more quickly—fluid transport in the brain dropped by more than 30 percent, SWNS reported.
Two new studies underscore the importance of getting a good night’s sleep — with one finding that lack of sleep is sabotaging the brain’s ability to keep intrusive thoughts at bay. (iStock)
The researchers say their findings, published in the journal Cell, show that sleep aids may interfere with norepinephrine-driven waste clearance during sleep.
“More and more people are using,” Hauglund said. Sleep medicineand it’s really important to know if it’s healthy sleep. If people aren’t getting the full benefits of sleep, they need to be aware of it, so they can make informed decisions.”
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The research team said the findings likely apply to humans, who also have a glymphatic system, although this requires further testing.
“Now that we know that norepinephrine is cleaning the brain, we can figure out how to get people to sleep longer and more restfully,” Niedergaard added.
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Meanwhile, lack of sleep can do more harm than just making people grumpy.
This can sabotage the brain’s ability to keep intrusive thoughts at bay.
Experts say that anyone who suffers from sleep deprivation may feel that the brain’s defenses against unwanted memories are weakened. (iStock)
Another new study, published in the Proceedings of the National Academy of Sciences, found that sleep deprivation weakens the brain’s defenses against unwanted memories, which flood the brain. The New York Post.
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The scientists said, “We show that sleep deprivation disrupts anticipatory inhibition in memory retrieval, and that overnight recovery of this inhibitory mechanism is associated with rapid eye movement ( REM) is from the time spent in sleep.”