Could your body’s hidden 12-hour clock hold the secret to metabolic health and disease? New research links our internal rhythms to ancient ocean tides. Review: Biological rhythms: Living your life, ...

Believe it or not, science says you can take a guilt-free afternoon nap. No, really. Getting all of your sleep in a single stretch is the most common sleep cycle, but it may be beneficial to split ...

The disruption of sleeping and waking patterns from the daylight saving clock change reveals a great deal about our everyday ...