If you walk into your local drug store and ask for a supplement to help you sleep, you might be directed to a bottle labeled "melatonin." The hormone supplement's use as a sleep aid is supported by anecdotal evidence and ...
Mar 6, 2015
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If you've ever had a bad case of jet lag, you know how a disruption to your body's circadian rhythm makes it difficult to function. Molecular circadian "clocks" exist in cells throughout the body, governing more than just ...
Jan 4, 2021
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While bright light helps us see better, our eyes need darkness for better vision. Light breaks down the sensitive machinery of our eyes every day, and during the darkness of night, key pieces are rebuilt. The clock of our ...
Mar 8, 2022
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Human sleeping and waking patterns are largely governed by an internal circadian clock that corresponds closely with the 24-hour cycle of light and darkness. This circadian clock also controls other body functions, such as ...
Jun 20, 2013
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We've all heard about circadian rhythm, the roughly 24-hour oscillations of biological processes that occur in many living organisms. Yet for all its influence in many aspects of our lives—from sleep to immunity and, particularly, ...
Jan 29, 2014
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Short sleep lengths, daytime napping and even long sleep lengths have been linked to an increased risk of elevated blood pressure and cardiovascular disease, a new study out of the Baker Heart and Diabetes Institute has found.
Nov 14, 2023
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The internal clock controls all vital functions in the body. Body temperature as well as blood pressure or the release of certain enzymes are subject to oscillations throughout the day, the so-called circadian rhythm. For ...
Jun 1, 2018
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Researchers found that a molecule, called m6A, makes modifications at brain-nerve junctions that are essential for proper signal transmission. The research finding, published in the journal Nature Neuroscience, could help ...
Nov 8, 2018
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In a series of experiments sparked by fruit flies that couldn't sleep, Johns Hopkins researchers say they have identified a mutant gene—dubbed "Wide Awake"—that sabotages how the biological clock sets the timing for sleep. ...
Mar 13, 2014
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