Objective Proficiency p 120. Sleepless Nights May Put The Aging Brain At Risk Of Dementia. Extra Listening

As we age, our sleep patterns change. We've all heard the complaints: "I wake up in the middle of the night and can't get back to sleep!"
Some sleep experts estimate that as many as 40 percent of older adults suffer sleeping problems such as sleep apnea and insomnia. Now, researchers have found a link between disrupted sleep and cognitive decline.
Listen to the story on the NPR website.