Twice yearly time changes are linked with health problems, diminished academic performance, experts tell House panel.

Daylight saving time begins Sunday, March 8, when clocks across most of the United States "spring forward" one hour at 2 a.m. local time. The twice-a-year clock change has long sparked debate: Should ...

Add Yahoo as a preferred source to see more of our stories on Google. The clocks go forward by an hour at the end of this month. (Getty images) Most of us know that in the UK, clocks change twice a ...

Has your wake-up time given you a jump scare? Or will you be delighted at the lighter evenings? Perhaps you came downstairs and felt confused. Your living room clock said one thing, but your phone ...

This Sunday, March 29, the clocks will move forward by one hour. Most people will sleep one hour less, and in the coming days, evenings will slowly start to be longer. Clock changes happen twice a ...

Clocks will skip ahead an hour at 2 a.m. Sunday for daylight saving time in most of the U.S., creating a 23-hour day that throws off sleep schedules, plunges early-morning dog walks into darkness and ...

WASHINGTON — Clocks will skip ahead an hour at 2 a.m. Sunday for daylight saving time in most of the U.S., creating a 23-hour day that throws off sleep schedules, plunges early-morning dog walks into ...

Clocks will skip ahead an hour at 2 a.m. Sunday for daylight saving time in most of the U.S., creating a 23-hour day that throws off sleep schedules, plunges early-morning dog walks into darkness and ...

A historic street clock near the Fifth Avenue Building stands in Manhattan as Americans prepare to move their clocks forward for the start of daylight saving time, a tradition that began during World ...