Can One Sleep Trick Keep Alzheimer's at Bay?

"A recent study claimed, 'There's a critical thing you can do to keep Alzheimer's symptoms at bay.' We argue that this claim is not science. It's marketing dressed up like science."

"Among people with higher amyloid burden, more slow-wave activity was associated with better performance on a memory task. Among people with low amyloid, sleep didn't matter nearly as much on that task."

"The headline implies you can do X and avoid Y. This study does not prove that. Symptoms at bay' is a bait and switch."

Deep sleep, particularly slow-wave sleep, is important for cognitive function. A study found a correlation between higher slow-wave activity and better memory performance in individuals with higher beta-amyloid burden. However, this does not imply causation or prevention of dementia symptoms. The study involved cognitively healthy older adults and did not track symptoms over time, making claims of symptom prevention misleading. The findings highlight the need for caution in interpreting sleep's role in dementia risk.

Read at Psychology Today