This conclusion comes from researchers at the University of Warwick (Great Britain) who followed 30,500 people for about four years. They noticed that the participants who managed to do without sleeping tablets after a long period of insomnia or those who simply managed to get a good night’s sleep performed better on physical and mental health tests.
Better still, the researchers discovered that the improvement in their mental health over the four years was comparable to that observed in the winners of a lottery of 250,000 euros. Satisfaction measured over the long term of course, and not compared to the immediate euphoria of winning.
Unsurprisingly, people whose sleep worsened during the study showed degraded physical and emotional scores on testing.
“When we sleep well we feel better, but it’s more than that. We also see changes in inflammatory markers due to poor sleep, so people can actually feel worse when they’re not asleep. not good” explains Dr. Cathy Goldstein, assistant professor of neurology at the University of Michigan, by analyzing the study.
Study authors say the next step in their research will be to understand why the sleepof some participants improved during these four years of study and why it deteriorated in others.
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