The human brain looks several years older after one night without sleep - a study Researchers have found that just one night without sleep makes the brain look older, as if it had suddenly aged one to two years. However, these changes disappear after a good night's rest..

The experiment involved 134 people divided into four groups: no sleep for one night, partial sleep deprivation (three hours in bed in one night), chronic sleep deprivation (five hours in bed every night for five days), and a control group (eight.

All participants had an MRI after each night. This made it possible to compare what their brain looked like before and after sleep deprivation, as well as additionally after a good night's rest..

It turned out that even after one sleepless night, the algorithm estimated the state of the brain on average one to two years older than it was assumed at the baseline.. These differences disappeared after restorative sleep..

At the same time, groups with partial and chronic sleep deprivation did not have significant differences compared to the control group..

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