MeSH tree: A08.186.211.200.317.357.342
Many people find that their sleep and moods are linked to the seasons. Those living in temperate zones may feel like hibernating in winter and staying out all night in summer, though even those in the tropics can be affected ...
Aug 13, 2025
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There's something oddly luxurious about sleeping in. The sun filters through the curtains, the alarm clock is blissfully silent, and your body stays at rest. Yet sleeping in is often treated as an indulgence, sometimes framed ...
Jul 28, 2025
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Deep-brain imaging in awake mice reveals how light resets the circadian clock by activating complex SCN neuron networks.
Jun 16, 2025
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In a new study, researchers have found that mice can instinctively exhibit rescue-like behavior toward anesthetized conspecifics—without any prior training or external rewards. The study, published in PNAS, offers compelling ...
Apr 24, 2025
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Mothers experience major metabolic adaptations during pregnancy and lactation to support the development and growth of new life. Although many metabolic changes have been studied, body temperature regulation and environmental ...
Mar 25, 2025
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Adding sugar or artificial sweeteners to coffee disrupted the body clocks in mice more than coffee on its own, researchers have found, with it causing day and night to be reversed in some mice. If this holds for humans as ...
Dec 19, 2024
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Danielle A. Wallace, MPH, Ph.D., from the Division of Sleep and Circadian Disorders in the Department of Medicine at Brigham and Women's Hospital, is the corresponding author of a new study in npj Biological Timing and Sleep, ...
Dec 16, 2024
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Circadian clocks control physiological processes and behavior in virtually all living organisms. Now an international research team led by researchers from the University of Würzburg has created a detailed map of the internal ...
Dec 5, 2024
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Imperial researchers have uncovered a "chemical metronome" in the brain, which helps to synchronize the master clock that tells us when it's time to sleep. In a study of brain cells from mice and humans, researchers found ...
Dec 3, 2024
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In humans and other animals, signals from a central circadian clock in the brain generate the seasonal and daily rhythms of life. They help the body to prepare for expected changes in the environment and also optimize when ...
Jul 24, 2024
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