Of the two time changes humans experience, researchers say that jumping forward is the most jarring. The one-hour change may have an effect on our circadian rhythms, which are the body's natural ...

Do we gain, or lose an hour of sleep? Here's what to know as we "spring forward" this weekend, including what it means for your health.

As clocks spring forward, light and movement are cues for daytime wakefulness that can improve sleep and overall health ...