Afghanistan, Oct. 5 -- A Swedish study found that poor-quality sleep can make the brain appear up to one year older, linking better sleep to healthier aging.
A large-scale Swedish study has found that poor-quality sleep may make the human brain appear up to a year older than its actual age, suggesting that improving sleep could help slow cognitive decline and premature brain aging.
Researchers at the Karolinska Institute in Stockholm analysed data from more than 27,000 middle-aged and elderly adults who provided detailed information about their sleep habits, including sleep duration, insomnia, snoring, and daytime drowsiness. The participants also underwent MRI brain scans to estimate their "biological brain age" - a measure based on the ...