Here’s what you’ll learn when you read this story: Our biological clock, or circadian rhythm, is immensely important to our health, and scientists are now unpacking the process’s secrets at the ...

Daylight saving time ends at 2 a.m. local time Sunday, which means you should set your clock back an hour before you go to ...

November 2 marks the switch to standard time. A Dallas sleep specialist explains why she thinks we're all better for it.

(AP) - The good news: You will get a glorious extra hour of sleep. The bad: It’ll be dark as a pocket by late afternoon for the next few months in the U.S. Daylight saving time ends at 2 a.m. local ...

Armies started using the 24-hour method of timekeeping as standard military time because, much like police, fire, and medical departments, every branch of the armed services is in continuous operation ...

Daylight saving time in 2025, when clocks change by an hour, has begun. Here's a look at when exactly we "spring forward" and how daylight saving time works. What time exactly does the time change for ...

Setting the clock forward to daylight saving time in spring and back to standard time in fall could be doing most Americans more harm than good. While the loss of an hour of sleep in March has been ...