2023-10-01 11:50:32
Two years is the aging that the brain would undergo following a sleepless night. Researchers, using technologiesartificial intelligenceexamined the magnetic resonance (MRI) images of 134 healthy young adults. The results revealed that those who had deprived of sleep for 24 hours or more showed worrying signs of brain aging, including a reduction in brain volume and decreased activity in certain regions of the brain. More specifically, it was observed thatTotal sleep deprivation might increase predicted brain age by 1 to 2 years compared to actual age. However, a night of recovery sleep seemed to restore the brain to its normal state. These results suggest that total sleep deprivation has effects on brain structure similar to those of agingbut that these effects are reversible with adequate sleep.
The importance of regular sleep
By highlighting these findings, the study highlights the crucial importance of sleep for our neurological health. During sleep, the brainopportunity to rest, repair and consolidate our memories, a vital process for its optimal functioning (source 1). In addition to its impact on the brain, Excessive fatigue can also have other negative health impactsnotably weight gain, impaired skin quality and even an increased risk of depression.
These results take on particular importance when a INSV/MGEN survey in 2023 reveals that 37% of French people express their dissatisfaction with the quality of their sleep. Women are particularly affected, with 44% of them saying they were dissatisfied of their sleep. In addition, the average sleep duration of French people seems to be declining, with an average of 6 hours and 58 minutes during the week. On weekends or during holidays, sleep time decreases significantly, going from 8 hours and 14 minutes to 7 hours and 40 minutes. This decrease is partly attributed to earlier wake-ups on Saturdays and Sundays, which now average 7 hours and 29 minutes, according to the National Institute of Sleep and Vigilance.
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