A 2023 study found that shorter sleep duration causes reduced brain cortical thickness. Sleep disorders increase the risk of Alzheimer’s, stroke, and cognitive decline. Chronic sleep deprivation ...

The drug appeared to shift microglia—the brain’s immune cells—away from a reactive, potentially damaging state and toward a more homeostatic role. “We initially hypothesized that enhancing non-rapid ...

A recent breakthrough by scientists at the University of California, San Francisco, offers a fresh and promising path toward treating Alzheimer’s disease and other forms of dementia. The study focuses ...

For years, BAMs were hidden in plain sight, often mistaken for other immune cells. That changed with new tools like fate mapping (tracks a cell’s developmental origin) and single-cell RNA sequencing, ...

College culture supports being sleep-deprived and disregards the importance of a refreshing night’s sleep. This has created a ...

New research suggests that cultural norms and expectations play a role in how much sleep people need for optimal health.

Helping yourself get to sleep isn’t just about avoiding screens before bedtime. From cognitive shuffling to sleep-restriction ...

A new international study drawing on 73 million nights of data reveals that our sleep patterns are seriously shaped by the ...

Researchers in Canada surveyed 1,082 university students about their eating habits, sleep patterns and dreams.  Remarkably, ...

An actigraphy device is similar to a wristwatch and uses accelerometers to measure the person's movement. Coupled with sleep ...

A study from Auburn University reveals that partners who sleep in physically closer positions have lower stress and stronger attachment, making cuddling beneficial for relationships.

I tossed and turned a little … and then slept deep, calm, undisturbed sleep until a few minutes before my alarm went off. The ring gave me a 91 for sleep with abundant deep-stage sleep.