The human brain looks ‘years’ after just one night without sleep, a small study shows

photo of a woman in with long, dark hair lying in bed under a large blanket. She holds both hands over her face as if struggling to sleep

Just going one night without sleep can make the brain grow, as if it suddenly aged one to two years overnight, a new study suggests. However, these changes seem to disappear after a good night’s rest. In the study, researchers used machine learning to generate “brain” statistics from scans of the brains of sleep-deprived people, …

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