SleepFM showed especially strong results for Parkinson’s disease (C-index 0.89), dementia (0.85), hypertensive heart disease ...

In jellyfish and sea anemones, neurons accumulate DNA damage while animals are awake and repair that damage during sleep.

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. A restless night may leave you feeling tired ...

Disrupted sleep patterns in Alzheimer’s disease may be more than a symptom—they could be a driving force. Researchers at Washington University found that the brain’s circadian rhythms are thrown off ...

Share on Pinterest A new study found an increased risk of cardiovascular events in people with irregular sleep patterns. nong2/Getty Images Sleep regularity (waking up and going to bed at the same ...

The internet claims waking at the end of a sleep cycle will leave you refreshed, but experts aren’t convinced. By Clarissa Brincat Published Sep 9, 2025 9:00 AM EDT Image: DepositPhotos Get the ...

Science says eating a healthy diet also matters. A study published in Molecules found that following a Mediterranean or DASH diet enhances memory, episodic recall, and mental processing speed.

What if the key to living longer was simply getting good sleep? A new study offers a surprising insight by placing sleep ...