When it comes to animals and their sleep cycles, sleep researchers still struggle to answer some important questions. Certain species survive through scattered naps or highly unusual forms of rest.

A sharp fall in China’s crude oil imports during the Iran war has been instrumental in holding down oil prices and keeping the global economy humming. Clues are emerging in the mystery of the missing ...

WASHINGTON—President Trump said he wants Bill Pulte, his incoming acting director of national intelligence, to begin firing a large number of employees as part of a shake-up of the U.S. intelligence ...

It’s going to be a hot summer, and there are no signs of rising temperatures easing up. This means a sweaty night’s sleep or two (or dozens) are likely in your future. New United Nations climate ...

Add Yahoo as a preferred source to see more of our stories on Google. Olivia Rodrigo’s third album, You Seem Pretty Sad for a Girl So in Love, takes a devastating spin in its piano-driven 11th track, ...

YouTubers may be saving Hollywood, which received a stunning message from moviegoers last weekend. The evidence arrived at the North American box office, where a 20-year-old filmmaker became the ...

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Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. A strong back supports better ...

For millions of adults, sleeping less has become normal. Busy schedules, stress, smartphones, work demands and constant stimulation have pushed sleep lower on the priority list in modern life. Many ...

LITTLE ROCK, Ark. – Our Blood Institute is facing an emergency blood shortage, with some supplies not able to last through one day. As of Monday, June 15, the institute’s O-negative inventory has 65 ...

Amelia MacIntyre, DO, is a board-certified family medicine physician. She is certified in osteopathic medicine. Older people still need seven or eight hours of sleep a night—similar to younger adults.