05/19/2026
Sleep Brain Age Predicts Dementia Risk.
An analysis of long-term data involving nearly 7,000
adults found that individuals whose brain wave patterns during sleep appeared older than their chronological age
were more likely to develop dementia over a 17-year period. Specifically, for every 10-year increase in brain age
beyond chronological age, the risk of dementia increased by about 40%.
JAMA Network Open, March 2026