Syncing your circadian rhythm to a natural light-dark cycle could improve your health and well-being. nambitomo/iStock via Getty Images Plus Anyone who has suffered from jet lag or struggled after ...

Your internal clock plays a big role in your physical and mental health—sleep experts explain how it works. It may seem ...

This weekend the clocks will roll back, signalling the end of daylight saving time and the start of long, dark winters. Of course, there is the short-term perk: the fact it allows us an extra hour in ...

Did the holidays mess up your sleep patterns? Maybe you stayed up late ringing in the new year, or changed time zones while traveling. Science journalist Lynne Peeples says the body's circadian ...

Clocks existed long before smart watches and ticking timepieces. Our circadian rhythm, the internal clock driving most organisms — from bacteria to humans — is an ancient biological function that ...

The link between the biological clock and reproduction is evident in most metazoans. The fruit fly Drosophila melanogaster, a key model organism in the field of chronobiology because of its ...