Wednesday, May 8, 2019

Lack of sleep prevents us from digesting our negative emotions

It has long been known that quality sleep is essential for good healthIn addition to allowing us to "recharge our batteries", sleep would allow us to assimilate the events of our day  to move on, to consolidate our memory , but also to keep our brain at its best. But what happens in the brains of people who do not sleep or little? 
A study of the Dutch Institute of Neuroscience in Amsterdam was conducted on the subject and published in the journal  Brain.
She describes how, using MRI, researchers examined and compared the brain activity of people with insomnia and others with regular sleep. All remembered embarrassing experiences dating back several years.

Sleep helps to dispel emotional tension

Scans have shown that when the normal sleeping group  remembers old , embarrassing memories , the brain circuits they activated were "markedly different" from those they activated by recalling more recent memories. But among insomniacs, this difference was not made: when they remembered old embarrassing moments, the brain circuits they activated overlapped with the active circuitsOverlaps have occurred especially in the anterior cingulate cortex, which connects the parts of the brain involved in emotional and cognitive processing .

But what does it mean? Insomniacs would find it difficult to separate old and new memories. Indeed, according to Rick Wassing, author of the first study, "sleep does not help relieve emotional distress in people with insomnia." On the contrary, restless nights can even make them worse. "Research on the brain now shows that only good sleepers benefit from sleep when it comes to dispelling emotional tension," Wassing concludes.

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