If you didn’t prepare for Daylight Saving Time, your sleep schedule may be off. CNN wellness expert Dr. Leana Wen offers advice on how to cope with the time change.

SALT LAKE CITY — Daylight saving time is upon us once again. Clocks will "spring forward" one hour at 2 a.m. Sunday for most of us. While Arizona and Hawaii do not participate, the one-hour shift in ...

Setting clocks forward was introduced in the U.S. to make better use of natural daylight and save energy, Time and Date reports. The nation has followed the current schedule since ...

Springing forward can impact more than our sleep, in some cases the time change is linked to heart attack and car accidents.

Don't forget, clocks spring forward tonight for the start of daylight saving time 2026. When does DST end permanently? What ...