Your circadian rhythm is a flexible internal clock that shifts with age and life changes, guiding your sleep, wake, and eating patterns. To realign your rhythm after disruptions like jet lag or late ...

The clocks rolled back this weekend, 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 allowed us an extra hour in ...

A CEO who invented a light therapy wearable said he trained himself to wake up without an alarm clock. Circadian rhythm is the body's internal clock. It shifts based on when you see light, eat. and ...