For decades, the answer to "how much sleep does an adult need?" has been simple: eight hours. The idea dates back to the mid-19th century, when the notion of eight hours of work, eight for recreation and eight for sleep first ...
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A short workout or a nap can help protect memory after a sleepless night, a McGill University-led study has found.
22 hours ago
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It's 4 a.m., you've finally drifted off, and then the phone rings. It's work calling. You have to go in. The right to disconnect from work has been protected by law in Australia since 2024. This means most employees can refuse ...
Aug 21, 2026
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COVID-19 can leave behind fatigue, breathing difficulties and neurological symptoms that persist long after the initial infection. Because these effects can also disturb sleep, researchers have questioned whether COVID-19 ...
Aug 21, 2026
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With more than 7 million Americans living with Alzheimer's dementia—a number projected to reach nearly 13 million by 2050—new Emory University research suggests that higher vitamin D supplement intake may be associated with ...
Aug 19, 2026
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Why does staying awake inevitably make us sleepy? Researchers at the University of Basel, Switzerland, have identified neuronal populations in the brains of mice that become activated during prolonged wakefulness and are ...
Aug 19, 2026
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Healthy sleep patterns in midlife are linked to longer working life expectancy, findings from a large study of working-age men and women suggest. The study was published online in Occupational & Environmental Medicine.
Aug 18, 2026
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For many teenagers, the hardest part of the school day may begin well before the first bell rings: waking up when their brains are still wired for sleep.
Aug 18, 2026
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University of Missouri researchers have found that a simple scheduling change can improve the health and well-being of physicians working overnight shifts.
Aug 17, 2026
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Ever feel that the arrival of summer sun makes you feel a bit dopey? You wouldn't be the only one. Soaring temperatures are known for their ability to slow our thought processes, making even everyday tasks seem like a baffling ...
Aug 14, 2026
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