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 ...

If your mental health has been declining, your sleep-wake cycle may be to blame, according to a new review of literature. Taylor Leamey wrote about all things wellness for CNET, specializing in mental ...

From struggling through restless nights in a chilly bedroom to waking up feeling unusually groggy, the colder months present ...

Gamble, K.L., Resuehr, D., and Johnson, C.H. (2013). Shift work and circadian dysregulation of reproduction. Front Endocrinol, 4:92. Health impairments, including ...

Daylight saving time ends on Nov. 6, bringing along an extra hour for sleep and activities. Dr. Annise Wilson, a sleep medicine expert at Baylor College of Medicine, shares details on the effects ...

Share on Pinterest Researchers say different cancer treatments may be more effective at certain times of day. Povozniuk/Getty Images Circadian rhythms are our internal body clocks that regulate our ...

Circadian rhythms that are weaker and more fragmented are linked to an increased risk of dementia, according to a new study ...

For years, I was an inveterate early morning exerciser — the kind of person you'd spot trudging into the gym just after the doors were unlocked or running through the neighborhood when the coffee ...

Share on Pinterest Circadian rhythm disruptions may enhance a cancer-causing gene that can trigger a specific type of lung cancer, according to a new study. FG Trade/Getty Images Circadian rhythms are ...

Confirming what observational studies have long thought, a genetic study has shown that a grizzly bear’s body clock ticks away routinely, even when the animal is deep in hibernation. What’s more, ...