As the U.S. stock market moves closer to trading “around the clock,” we need to consider when a trading day ends and the next ...

Your Circadian Rhythm is your body’s internal 24-hour clock that not only controls your sleep, but also other important parts ...

Countless students arrive at school sleep-deprived. Health experts say daylight saving time adds to the problem.

Although the sun will set later starting Sunday, we will see a brief return of 7 a.m. sunrises through the end of the month.

“I’m not surprised Nasdaq is getting into [24-hour trading]; I’m surprised they’re doing ... Outside of stocks, many ...

Bipolar disorder is characterized by extreme mood swings, with individuals cycling between periods of intense energy and ...

Nasdaq Inc. announced on March 7 that it's seeking permission from regulators to expand trading hours on the biggest stock ...

The Nasdaq exchange plans to move to offering 24-hour trading, Monday through Friday, in a move that could make U.S. markets more accessible to investors in different time zones.