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Lack of sleep hours increases the sensation of pain

Washington Researchers at the University of California, Berkeley, in their study published in the current issue of the Journal of Neurology, have suggested a link between increased chronic pain and increased insomnia in modern society.

Initially, researchers from Adam Crosse studied the relationship between sleep and pain through experiments on 25 healthy men in a sleep research lab, sent the volunteers to a sleep research lab and tested how much they felt after a night sleep in the lab.

To test the pain sensation, the researchers created volunteers gradually increasing the heat until the participants felt painful. At the same time, they tried to assess brain activity in different areas.

During the experiment, the volunteers were reminded of their level of pain through a starting point of 1 and ending with 10. Participants felt the heat and found themselves uncomfortable at 44 degrees on average. The researchers repeated the same experiment after the participants spent a sleepless night.

Here, most volunteers began to feel heat pain at a lower temperature, averaging 42 degrees.

All volunteers were generally uncomfortable at a low temperature, indicating that their own sensitivity to pain increased after an adequate night's sleep.

Scientists confirm that the lesion is the same, and the difference of reference is how to estimate brain pain after sleep much less than human need. This was also observed in the assessment of observed brain activity, which increased activity in the center of the brain responsible for pain.

At the same time, brain activity has decreased in what is known as the recombinant nucleus region and jaundice, areas that play a role in overcoming pain. "Lack of sleep not only increases the activity of areas that feel pain in the brain, but also blocks the natural centers that relieve pain," said Matthew Walker, a senior researcher.

Lack of sleep reduces brain activity in what is known as the recombinant nucleus region and jaundice, areas that resist pain

"If lack of sleep increases our sensitivity to pain, good sleep is a natural home that can help relieve pain." During the second part of the study, the researchers interviewed 230 men and women on the Internet about how good sleep was and how they felt sore the next day.

The evaluation of the results of the research confirmed the experiments performed by the researchers in the laboratory, because it was found that the decline in sleep quality – even if the decline was small – reflected negatively on the individual volunteer the following day, where the sensation of voluntary pain.

Researchers say the study brings a positive news that improving sleep quality – albeit minimally – can contribute to reducing the human sensation of pain.

Researchers have found that their findings are particularly important for hospitals that bring together many people who suffer from pain and at the same time suffer from lack of sleep. They predicted that patients' suffering would be reduced when hospitals focused better on improving sleep quality, which may help reduce the amount of painkillers used.

A recent study of neuroscientists at the Polytechnic University of Italy warned that the human brain is eroded when people do not get enough sleep at night, but this does not cause any health damage.

The researchers monitored the brains of a group of mice to detect the effect of sleep disorders on the brain. The research team observed unusual activity in brain astrocytes in sleep-deprived mice, unlike mice that normally slept 7 to 8 hours a night. Stellar cells, which normally regulate the sleep process, eat synapses when sleep deprivation occurs, according to the study.

Dr. Michel Pilsy, ​​co-author of the study, said that stellar cells that eat synapses are not necessarily harmful because they can be brain cleansing.

Lack of sleep stimulates glial cells, he said. The study showed that the persistence of the cells in their activity, at a low pace, leads to brain disorders.

Doctors usually monitor a permanent brain glia activity in patients with Alzheimer's disease. Previous research has found that getting enough sleep at night – seven to eight hours a day – improves overall body health and protects against diseases, especially diabetes and obesity.

Studies have also linked sleep disorders to the risk of stroke, heart attacks and weak immune systems.

A team of University of California researchers previously revealed that sleep deprivation disrupts the ability of brain cells to communicate with one another, leading to temporary mental deficits that affect memory and visual perception.

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