Dementia risk may be linked to seemingly harmless daily habit, new research suggests

Frequent daytime napping among older adults has been linked to a higher risk of developing dementia, according to a study published in The Journal of Gerontology: Medical Sciences.

Researchers from the Johns Hopkins Bloomberg School of Public Health tracked nearly 1,000 adults age 65 and older who showed no signs of memory or thinking problems when the study began in 2013.

A decade later, the researchers found that daily rest habits — like how often people nap, how long they sleep and whether they fall asleep by accident ...