How to Use circadian in a Sentence

circadian

adjective
Definition of circadiannext
  • Khloé is no longer able to hide from the media and its circadian tabloid rhythm.
    — Olivia Fleming, Harper's BAZAAR, 14 June 2016
  • Khloé is no longer able to hide from the media and its circadian tabloid rhythm.
    — Olivia Fleming, Harper's BAZAAR, 14 June 2016
  • Changes in sleep patterns can in turn shift the body’s natural clock, known as its circadian rhythm.
    — Jessica Schmerler, Scientific American, 1 Sep. 2015
  • Scientists have known about circadian rhythms for a couple of hundred years in plants.
    — National Geographic, 29 Jan. 2017
  • Light interferes with our circadian rhythm, the internal clock that tells our bodies when to sleep, when to wake up and when to eat.
    — Ronda Kaysen, New York Times, 10 Feb. 2017
  • The blue light from the screens can suppress melatonin, a hormone linked to the regulation of circadian rhythms.
    — Katina Beniaris, Woman's Day, 21 Apr. 2017
  • Blue light is known to suppress melatonin production, a hormone that is key to the sleep-wake cycle, known as the circadian rhythm.
    — Ian Paul, PCWorld, 16 May 2017
  • Melatonin, produced by the body, synchronizes circadian rhythms and helps promote sleep.
    — By Sheah Rarback, miamiherald, 30 May 2017
  • Also, stop using all electronics, which interfere with your circadian rhythm, one hour before bed.
    — Anthony J. Yeung, Esquire, 29 Dec. 2016
  • But there’s one app that focuses on your circadian rhythm, which might be the most important part of your nocturnal experience.
    — Kim Komando, Fox News, 7 May 2017
  • Maintaining a consistent circadian rhythm can help keep your brain sharp and boost immunity, research shows.
    — Aditi Shrikant, CNBC, 31 Oct. 2024
  • But nobody knew how circadian clocks would work in the Arctic extreme environments where there is no regular day-night cycle.
    — Tia Ghose, WIRED, 11 Mar. 2010
  • Our circadian cycle is controlled by a network of cells in the suprachiasmatic nucleus in our brain that are calibrated by cycles of light and dark.
    — Nathaniel Scharping, Discover Magazine, 14 July 2016
  • And that circadian clock affects more than sleep, also influencing things like heart rate, blood pressure, stress hormones and metabolism.
    — Associated Press, TIME, 27 Oct. 2024
  • Finally, increasing education about circadian rhythms and sleep will help individuals keep track of how their sleep patterns affect their health.
    — WSJ, 11 Apr. 2017
  • Our circadian rhythms are tuned to the rising and setting of the Sun and the push and pull of the Moon.
    — Conor Feehly, Discover Magazine, 10 Aug. 2023
  • Is the child having a circadian rhythm problem — is the child a night owl?
    — Lisa Bain, Good Housekeeping, 1 July 2023
  • At the retreat, work with a guide to craft a plan to improve your circadian rhythm.
    — Kristin Scharkey, Sunset Magazine, 2 Mar. 2022
  • And the timing of sleep hinges on our circadian rhythm.
    — Washington Post, 30 Apr. 2021
  • One of the key markers of the circadian clock is melatonin.
    — Haley Samsel, USA TODAY College, 12 June 2017
  • Our circadian rhythm tends to shift with age, telling us to sleep and rise earlier in the day.
    — Trisha Pasricha, Washington Post, 8 July 2024
  • The reason may have to do with the influence of circadian rhythms.
    — Scott Lafee, San Diego Union-Tribune, 27 June 2023
  • This sets up circadian rhythms and helps with alertness in the morning.
    — Karen Weintraub, USA TODAY, 29 Jan. 2024
  • In this metaphor, the circadian rhythm is the conductor.
    — Brian Resnick, Vox, 27 Apr. 2018
  • Our body keeps track of when to wake up and go to sleep based on an internal clock known as our circadian rhythm.
    — Adithi Ramakrishnan, Chicago Tribune, 10 Mar. 2023
  • Just as your body runs on a circadian rhythm, so do your microbes.
    — Jessica Migala, Women's Health, 24 July 2023
  • The light is a signal to your brain to stay awake and can upset your circadian rhythm, which helps keep you asleep during the nighttime.
    — Dr. Keith Roach, oregonlive, 18 Apr. 2023
  • The movement is due to pressure in the plant’s cells tied in to its circadian clock, though the purpose isn’t exactly known.
    — Arricca Elin Sansone, Country Living, 6 Feb. 2020
  • Random blasts from the past don’t present the same structural support for our circadian rhythms.
    — Danny Chau, The Atlantic, 27 Apr. 2020
  • They're not getting hit with blue light which throws off their circadian rhythm.
    — Hannah Sacks, Peoplemag, 20 Dec. 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'circadian.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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