Nodding off during the day could be Alzheimer's risk

Scientists confirm link between excessive daytime sleepiness and Αβ build-up
elderly man taking a nap

Scientists have confirmed a link between excessive sleepiness during the day and a build-up of beta-amyloid plaques in people without dementia. 

This finding supports previous literature suggesting that excessive daytime sleepiness is a risk factor for cognitive decline or dementia.