Satellite images of the earth provide a striking picture of our planet during the hours of darkness. From space, the world at night appears as an intricate mass of tiny points of light, clustered into…
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Articles on Circadian rhythms
Displaying 101 - 118 of 118 articles
Jet lag is a discomfort many of us will have experienced in the days following a long-haul flight across time zones. Mathematicians in the US may have a jet-lag cure in the form a new app called Entrain…
Daylight saving time ends this weekend in most states and territories (barring Queensland, Western Australia and the Northern Territory), meaning we’ll turn our clocks back by one hour on Sunday morning…
The advent of spring is associated with the prospect of increased sunshine, warmer temperatures and longer days. However, the enthusiasm for the start of British Summer Time (BST) is tempered by the inevitable…
Researchers have found the first evidence that stomach nerves act as a clock that limits eating to specific times of the…
You get hauled out of bed in the morning not just because of an alarm clock. We are genetically encoded with a 24-hour (circadian) body clock that allows us to live in harmony with our environment. But…
Ever have those moments on weekends or public holidays when you wake at your usual time, then realise there’s no pressing need to get up? If you go back for another couple of hours of shut-eye and use…
We’re often told by the popular press and well-meaning family and friends that, for good health, we should fall asleep quickly and sleep solidly for about eight hours – otherwise we’re at risk of physical…
Holding a body close to you, it’s easy to appreciate the warmth a human body can generate. Humans are “warm-blooded” animals. We’re able to effectively maintain a stable internal temperature, even on cold…
Working night shifts more than twice a week is associated with an increased risk of breast cancer, a long term study has…
Plants both anticipate daytime raids by hungry insects and make sophisticated preparations to fend them off, using circadian-rhythm-regulated…
Widespread sleep deprivation is driving police into rage, danger, and incompetence, with chronically fatigued officers self-reporting high rates of uncontrolled anger towards suspects and citizens, serious…
I know my mood over the course of a day and so, it seems, does Twitter. Over the years there’s been a lot of work on mood cycles. Much of it has been based on neurochemicals such as serotonin and dopamine…
Sleeping is normally when our body sticks itself back together. Your breathing and your heart rate slow down, and gradually your body repairs itself, undoing all the damage you’ve done to yourself during…
Eyeless fish that have evolved underground, completely isolated from the day-night cycle, may offer clues to how our body clocks work up here on dry land. Authors of a report published today in the online…
Most people believe normal, healthy sleep should be long and uninterrupted from start to finish. Well, guess what? They’re wrong. This erroneous public perception of sleep was apparent in survey studies…
Feeling sluggish? Grouchy even? Difficulties getting out of bed? Mondayitis can happen to the best of us. But rest assured: it’s a phenomenon science can actually explain. In fact, there are a range of…
Do we control our body clocks or do those clocks, ticking imperceptibly, control us? It’s the kind of question that keeps sleep scientists awake at night. Rhythms are a good place to start. They are a…
Top contributors
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Professor, School of Medicine, University of Connecticut
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Emeritus Professor of Psychology, Adelaide Institute for Sleep Health, Flinders University
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Director, Appleton Institute, CQUniversity Australia
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Conjoint Senior Lecturer, School of Medicine and Public Health, University of Newcastle
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Frederic Gachon is a Friend of The Conversation.
Associate Professor, Physiology of Circadian Rhythms, Institute for Molecular Bioscience, The University of Queensland
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Professor of Endocrinology, University of Oxford
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Professor, Monash University
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Professor of Regulatory Biology at the Salk Institute for Biological Studies, Adjunct Professor of Cell and Developmental Biology at UCSD, University of California, San Diego
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Research professor, University of South Australia
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Postdoctoral Research Officer, University of Surrey
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Professor of Circadian Neuroscience, University of Oxford
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Associate Professor of Physical & Biological Sciences, University of California, Santa Cruz
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Professor and Director, Centre for Mental Health, Swinburne University of Technology
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Associate Professor, Cognitive and Affective Neuroscience, University of Southampton
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Senior lecturer, The University of Melbourne
