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Variations in sleep timing were associated with cognitive performance including delayed verbal memory and worse processing speed.

Caffeine timing is crucial for optimizing energy and productivity while minimizing crashes and sleep disturbances. Align intake with circadian rhythms.

A person’s sleep needs are highly individual, Holliday-Bell says. If you feel refreshed and ready for the day after nine ...

These differences aren’t just habits—they’re part of someone’s biology, and these differences can be grouped into a variety ...

What we normally think of as breakfast probably shouldn’t be breakfast at all. Here’s what—and when—to eat instead.

“And the excuse is often Congress won’t do anything, and in this case, Trump is claiming an emergency for the tariffs.” Here's an idea: Congress should step up and do its job. Trump ...

The acting head of the Internal Revenue Service will resign in the wake of a deal struck on behalf ... since the start of the year, will pack up her desk as part of the deferred resignation ...

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“It was just a lot of wake ... up, I was like, ‘Oh, perfect, will you please breathalyze him?’ So that was my first thought,” she recalled. “And they were like, ‘Well, we can’t do ...

Researchers used male fruit flies (Drosophila melanogaster) that had been sleep-deprived owing to the genetically engineered activation of wake-promoting ... were wired up to polysomnography ...

During deep sleep, the amplitude of brain waves increases, and "ƒÂ (delta) power" is a critical indicator of sleep quality. Higher delta power reflects deeper, more restorative sleep (1 ...