A new study has found a link between rapid eye movement (REM) sleep and Alzheimer’s disease. The research from China, published in the journal Alzheimer’s & Dementia by the Alzheimer’s Association, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Alzheimer’s disease is a devastating condition that impacts millions of families around the world. But ...

For years, poor sleep was seen mostly as a quality-of-life problem—something that caused fatigue, irritability, and trouble ...

There’s a known link between sleep and brain health – but recent research has specifically highlighted the impact of rest on neurodegenerative conditions like Alzheimer’s disease. A study published in ...

National Mental Health Awareness Month, which is observed in May, serves as a good time to remind physicians that sleep can ...

A new study shows that even a moderate dose of caffeine alters brain activity during sleep, increasing complexity and nudging neural systems toward a high-efficiency processing state, especially in ...

It can be tough to calculate exactly how long you’re in REM, but many health trackers use your heart rate, heart rate variability, and data on your movements to make solid estimations. (Just know that ...