How to Use circadian in a Sentence

circadian

adjective
  • As a cast, our circadian rhythm was so rocked.
    — Brian Davids, HollywoodReporter, 10 June 2026
  • Just as your body runs on a circadian rhythm, so do your microbes.
    — Jessica Migala, Women's Health, 24 July 2023
  • Khloé is no longer able to hide from the media and its circadian tabloid rhythm.
    — Olivia Fleming, Harper's BAZAAR, 14 June 2016
  • Light is one of the main signals that helps set the body’s circadian clock.
    — Emily Kay Votruba, EverydayHealth.com, 25 June 2026
  • They're not getting hit with blue light which throws off their circadian rhythm.
    — Hannah Sacks, Peoplemag, 20 Dec. 2023
  • His circadian rhythm was off, again.
    — Courtney Crowder, USA Today, 10 Apr. 2026
  • At the retreat, work with a guide to craft a plan to improve your circadian rhythm.
    — Kristin Scharkey, Sunset Magazine, 2 Mar. 2022
  • Is the child having a circadian rhythm problem — is the child a night owl?
    — Lisa Bain, Good Housekeeping, 1 July 2023
  • 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
  • Our daily patterns are all off, so our circadian rhythms are too.
    — New York Times, 15 May 2020
  • This sets up circadian rhythms and helps with alertness in the morning.
    — Karen Weintraub, USA TODAY, 29 Jan. 2024
  • 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
  • The program is based on science and the body's circadian rhythms.
    — T+l Editors, Travel + Leisure, 15 Dec. 2024
  • Without the sun, our circadian rhythm, or body clock, would be impaired.
    — Rebecca Farley, refinery29.com, 7 May 2018
  • Your body follows a 24-hour clock, known as your circadian rhythm.
    — Rikkilynn Shields Hannigan, Health, 31 Mar. 2026
  • Your body follows a 24-hour clock, known as your circadian rhythm.
    — Rikkilynn Shields Hannigan, Health, 9 June 2026
  • Your body follows a 24-hour clock, known as your circadian rhythm.
    — Rikkilynn Shields Hannigan, Health, 30 Jan. 2026
  • Many things can affect the circadian rhythm.
    — Rebecca Fearn, SELF, 15 Jan. 2026
  • Can a jolt to your circadian rhythm affect your chance of getting breast cancer?
    — Cindy Krischer Goodman, sun-sentinel.com, 1 Oct. 2019
  • When our body's circadian rhythm is out of sync, risks for diabetes and heart disease can rise.
    — NPR, 5 Nov. 2025
  • Richter notes that eating within one to two hours of waking can help align with the body’s circadian rhythm.
    — Lynn Andriani, Martha Stewart, 12 Mar. 2026
  • There’s something about the length of a vinyl album that works better with our circadian rhythms.
    — Gail Mitchell, Billboard, 3 Sep. 2019
  • 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
  • Rather, signals the brain's circadian clock to prepare for sleep.
    — Stephanie Brown, Verywell Health, 26 Sep. 2025
  • They were divided into three groups based on the strength of their circadian rhythms.
    — Khloe Quill, FOXNews.com, 6 Jan. 2026
  • That might not be consistent with your circadian rhythm.
    — Angelica Stabile, FOXNews.com, 22 Mar. 2026
  • The reason may have to do with the influence of circadian rhythms.
    — Scott Lafee, San Diego Union-Tribune, 27 June 2023
  • That includes lighting that will change to match with circadian rhythms throughout the day.
    — Joseph States, Chicago Tribune, 14 Aug. 2025
  • Strength often peaks in the afternoon and evening hours due to the body's circadian rhythm.
    — Rikkilynn Shields Hannigan, Health, 30 Jan. 2026
  • Strength often peaks in the afternoon and evening hours due to the body's circadian rhythm.
    — Rikkilynn Shields Hannigan, Health, 31 Mar. 2026

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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