A new study finds that sleep timing is linked to dementia risk, as people with weak circadian rhythms face a 2.5 times higher ...

And those who experienced peak activity later in the afternoon — from 2:15 p.m. onward — had a 45% higher risk of dementia ...

Your daily rhythm may matter more for brain health than previously thought. Older adults with weaker, more disrupted activity ...

A new study by an interdisciplinary team of researchers at The University of Texas at Austin provides what may be the most reliable validation to date of the connection between physical activity, ...

Sleep is essential for our physical health, mental clarity, and emotional well-being. But have you ever wondered what really controls your sleep-wake cycle? The answer lies largely in your sleep ...

Time to give these so-called sleep hacks a rest? The team behind the sleep tracker Sleep Cycle crunched data from over 1 million global users to determine the social media slumber shortcuts that have ...

Caroline Igo (she/her/hers) was a wellness editor at CNET and holds Sleep Science Coach and Stress Management certificates from the Spencer Institute. She received her bachelor's degree in creative ...

Sleep is one of the core metrics all smart rings track. They typically offer a daily sleep score out of 100, which takes into ...

Researchers at the University of Lausanne have identified a novel role for the brain's 'locus coeruleus' in sleep and its disruptions. This brain region facilitates the transition between NREM and REM ...

The sleep cycle has three NREM stages and one REM stage. Deep sleep occurs in stage 3 and is crucial for feeling refreshed. REM sleep helps in processing and storing memories. As we sleep, our brain ...