8 Jan 2024 • People who had fragmented sleep in their 30s & 40s were more likely to have worse cognition a decade later.

Those with the highest sleep fragmentation index had more than twice the odds of poor cognitive performance on tests assessing processing speed, verbal fluency, & overall cognitive function.

This emphasized the critical role of sleep quality, rather than quantity, in preserving cognitive health during midlife.

Source: AAN | Read full story