Christian Marclay’s 24-hour film — and a century of cinema history — is on view at the Museum of Modern Art, returning after ...

If people with least physical activity matched levels of most active, they could live almost 11 years longer, study says ...

We have returned to standard time. When clocks struck 2 a.m., time went back one hour to 1 a.m. Many devices, such as phones and computers, should have automatically changed to standard time ...

Too much light in the evening — that extra hour from daylight saving time — delays that surge and the cycle gets out of sync. And that circadian clock affects more than sleep, also influencing ...

Clocks turned back one hour across most of Canada this morning as daylight time came to an end. While the shift to standard time offered many Canadians a chance to sleep an extra hour, it also ...

It's time to turn your clocks back one hour at 2 a.m. Sunday as daylight saving time ends. Joe Raedle/Getty Images Time to "fall back." Daylight savings time ends on Sunday, meaning it's time to ...

For some parts of the country, that means moving the sunrise from the 7 o’clock hour ... time ends next week, sunrise will change from 7:25 a.m. to 6:26 a.m., according to this NOAA solar ...

As the clocks go back an hour early on Sunday ... it may prove best to time your wake-ups around the likely start and end of your sleep cycles. Our calculator is designed to help you work ...