A single night's sleep could make your brain look older to a machine learning algorithm, a team of researchers have found.
The study investigated MRI data from 134 healthy people and used machine learning algorithms to estimate a person's age based on these scans.
According to the researchers, the algorithm estimated participants' brains to have aged by one to two years after a single night without sleep.
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However, this change was reversed after a subsequent recovery sleep.
Partial sleep deprivation didn't show much change in brain age, the study found.
Deteriorating sleep quality is a known consequence of aging.
Researchers wanted to learn if sleep disruption accelerated the aging process.
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