Discover how your body’s internal clock influences your weight and overall well-being — and how to get it back into sync.

With the soaring popularity of sleep tourism, it’s no wonder luxury hotels around the world are now helping travelers reap the benefits of al fresco slumbers.

If you've traveled across multiple time zones, you’ve likely felt the impact of jet lag, but why does it seem more intense ...

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 ...

Sleep and circadian rhythms are fundamental biological processes that bidirectionally regulate metabolic homeostasis, cognitive performance, emotional ...

Research details the importance of maintaining the body's rhythm for optimal health so NBC News medical contributor Dr. John ...

In a discovery that could shift labor and delivery practices around the world, researchers at Michigan State University have ...

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, ...

New research suggests that the circadian system in people with obstructive sleep apnea may disrupt blood vessel function ...