"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A study published in Science of The Total Environment looked at how different bedroom temperatures might ...

Mike Kerrigan’s request for a single outdoor temperature highlights confusion about the “actual” and “feels like” temperatures (“Why Are There Two Temperatures?,” op-ed, Jan. 23). The feels-like one ...

Improving the quality of your sleep can add years to your life and make a big difference in your overall health. Researchers have studied how much sleep you need for decades, but what about the best ...