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.

Get ready to change your clocks again, as daylight saving time (DST) begins this weekend.

According to the U.S. Department of Transportation, daylight saving time isn’t observed in Hawaii, American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, the Virgin Islands, and most of Ariz...