Sleep looks peaceful on the outside, but inside the brain, it is anything but ...

Sleep is a universal biological state that allows all animals, from mammals to amphibians, fish and even insects, to restore ...

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

Elevated dementia risks among older adults were associated with weaker and more fragmented circadian rest-activity rhythms ...

Australian researchers have found compelling evidence that insomnia may be linked to disruptions in the brain’s natural 24-hour rhythm of mental activity, shedding light on why some people struggle to ...

The timing of your sleep patterns could be linked to increased dementia risk, according to a new study. Each person's circadian rhythm, often defined as the body's internal 24-hour clock, keeps the ...