To optimize health, sync your habits with your body clock. Here's how

Scientists say the return to "standard time" is good for our health. But the time change can be disruptive and we must also ...

Daylight saving time creates ‘social jet lag.’ A sleep expert explains how to reset your circadian rhythm

Daylight savings ends on November 2. Here's how the time change affects your health, and how you can readjust your internal clock.