Research details the importance of maintaining the body's rhythm for optimal health so NBC News medical contributor Dr. John Torres joins TODAY to explain how to maintain the cycle the body works on, ...

If you struggle to fall asleep or wake up feeling groggy, an out-of-sync circadian rhythm could be to blame. This internal 24-hour clock controls your sleep-wake cycle, helping your body know when ...

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 ...

Our bodies follow a natural 24-hour cycle known as the circadian rhythm that influences everything from sleep to metabolism. While scientists have long known that certain core circadian clock genes ...

A simple guide to returning to your schedule when travel, late nights, or seasonal shifts affect your shuteye.

Gut microbiota's influence on circadian rhythms may hold the key to understanding how stress responses vary throughout the day, potentially offering new insights for treating stress-related disorders.

Your body possesses an internal clock, the circadian rhythm, that dictates sleep and wake cycles. This biological marvel, governed by light cues and hormones like cortisol, anticipates dawn, preparing ...

Researchers at Children's Hospital of Philadelphia (CHOP) found that circadian rhythms—the biological clocks of the body—can ...

As of Nov. 5, daylight saving time — the period when clocks shift forward in early March, originally intended to conserve energy by providing more daylight and eliminating the necessity for excess ...

Daily fluctuations in gut microbes may have a plethora of effects on the body, but many questions remain. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...