circadian rhythm
5
6.1
- noun
- /sɜrˈkeɪdiən ˈrɪðəm/
- Specialized
:
ritmo circadiano
- I'd love to talk about how the circadian rhythm is changing during our lives.
- circadian rhythm and sleep
- circadian rhythm disturbances
It's when the sunsets, sun rises, that's the circadian rhythm and we all operate on that.
- It's when the sunsets, sun rises, that's the circadian rhythm and we all operate on that.
- And our gut clearly has its own circadian rhythm.
- So our bodies really need a circadian rhythm.
- We're more awake at night because our circadian rhythm is blunted.
- When you push breakfast back, you affect and impact the circadian rhythm.
- I'll do a few minutes of UV light therapy to start my circadian rhythm.
- Cortisol, however, seems to be also under the strict control of your circadian rhythm where it drops down at night.
- Why is there a circadian rhythm there and what, what happens as a result?
- So we work on circadian rhythms, which is light and dark.
Examples
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Exposure to bright screens at night can disrupt your circadian rhythm and make it hard to fall asleep.
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What that light does at that hour in just about everybody is it shifts the circadian rhythm and delays it.
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So every, everything on the planet has some form of circadian rhythm that it needs.
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This became known as a circadian rhythm from the Latin for about a day.
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The circadian rhythm synchronizes us with the daily round of the sun.
Academic text (2017) -
Setting a regular pattern for sleep and waking strengthens a regular circadian rhythm.
Academic text (2006) -
Resolve to keep a regular sleep-and-wake schedule, which can improve your circadian rhythms.
Academic text (2015) -
Melatonin has been used effectively to reduce circadian rhythm disturbance caused by rapid time zone changes (jet lag) or shift work changes.
Academic text (2006) -
Even though it may feel like a luxury, an inconsistent sleep schedule can throw off your circadian rhythm, the body's way of regulating sleep and waking.
Academic text (2015) -
The fungus Neurospora crassa produces asexual spores in a circadian rhythm.
Academic text (2005)
Synonyms
11
3.7
A natural system inside the body that controls daily cycles like sleep and hormone changes
A natural cycle in the body that affects sleep and hormone levels
Antonyms
How Regular
Surface Forms
Morphology
Both constituents directly contribute to the MWE meaning: 'circadian' denotes daily biological cycles and 'rhythm' denotes a regular pattern, so 'circadian rhythm' straightforwardly denotes a regular daily biological pattern (the 24‑hour physiological cycle). Although the term is somewhat technical, its meaning is compositional and cross-linguistically comparable, so a learner who knows the parts can infer the whole.
Etymology
Circadian rhythm comes from the parts circadian, meaning 'around a day', and rhythm, meaning 'a repeating pattern', so imagine an inner clock that goes once every 24 hours. That's why the phrase means the body's daily pattern of sleeping, waking, and other body cycles, and why changing it can make you feel tired or awake at the wrong times.