Sleep is key to brain and body function, memory, physical performance, preventing chronic disease and improving mental health ...

Nature gave us sleep as the ultimate reset button, but how much people actually get varies widely by country. While sleep ...

Alzheimer’s may advance by breaking the brain’s internal clock—and resetting it could help fight the disease. Alzheimer’s disease often interferes with a person’s normal daily patterns. Early warning ...

Late nights, festive stress, and irregular sleep during holidays can trigger internal jet lag. Doctors warn that disrupted ...

Imagine if there were no clock? Without the concept of time, daily life would lose its structure and purpose. Just like that, ...

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

Researchers found that people with weaker or more irregular internal clocks had a higher risk of developing dementia.

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

Delayed sleep phase syndrome (DSPS) is a most prevalent circadian rhythm sleep disorder and is marked by a delay in the timing of sleep episode compared to desired or necessary sleeping and wakeup ...

As families return to school-term routines, sleep difficulties often resurface. For many parents, particularly those raising ...

Women working on the night shift or frequently flying across time zones, where they experience an irregular sleep schedule, ...

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