circadian rhythm

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Related to body clock: biological clock

circadian rhythm:

see rhythm, biologicalrhythm, biological,
or biorhythm,
cyclic pattern of physiological changes or changes in activity in living organisms, most often synchronized with daily, monthly, or annual cyclical changes in the environment.
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circadian rhythm

[sər′kād·ē·ən ′rith·əm]
(physiology)
A self-sustained cycle of physiological changes that occurs over an approximately 24-hour cycle, generally synchronized to light-dark cycles in an organism's environment.
References in periodicals archive ?
Importantly, it is thought that eating at unusual times, as often occurs during shift work and jet lag, is a major cause of body clock disruption.
This bright light will boost your mood and alertness, and will also provide the signal the body needs to push the body clock earlier in time.
Ironically, he pointed out that 'people who keep faith with their body clock cycle (known as the circadian cycle) by sleeping when they should, eat at the right time and work when they should live longer and are at a lesser risk of diseases.'
"Young people's body clocks alter as they enter the teenage years, meaning they often have a tendency to stay up late but then struggle to get up in the morning.
In a study published in the journal Science Translational Medicine on Wednesday, the scientists showed for the first time how our internal body clocks regulate wound healing by skin cells, and optimise healing during the day.
The findings may help explain why shift workers, whose body clocks are routinely disrupted, are more prone to health problems, including infections and chronic disease.
The company said HETLIOZ is a melatonin receptor agonist and acts as a circadian regulator that resets the master body clock in the suprachiasmatic nucleus in the brain.
Researchers at the University of Warwick in Coventry, England, and University Hospitals Coventry and Warwickshire (UHCW) NHS Trust have discovered how body clock genes could affect women's ability to have children.
Try going to bed a little earlier on the days leading up to the 30th and on Sunday morning get out and take in some sun and fresh air to speed up the resetting of the body clock! But, don't dwell too much on the lost hour!
Sleep experts, however, suggest that people often get their internal body clock set to the wrong time, which can make them feel as though they are suffering from a condition commonly known as jet lag.
THE MARTIAN DAY, WHICH IS ABOUT 40 MINUTES LONGER THAN AN EARTH DAY, can cause havoc with the internal 24-hour body clock. To help future space travelers control Martian jet lag, researchers at Brigham and Women's Hospital have developed a fatigue management program specifically set to the Martian day.