Poor sleep may account for a large share of dementia cases

Addressing insomnia could be a promising strategy to reduce dementia risk in older adults

An older woman lays on her side in bed and stares at her alarm clock

About 12 percent of dementia cases in the United States may be attributed to insomnia.

Filmstax/E+/Getty Images

This is a human-written story voiced by AI. Got feedback? Take our survey . (See our AI policy here .)