How to Use biological clock in a Sentence

biological clock

noun
  • Want to freeze the biological clock from one birthday to the next?
    — Alex Hutchinson, Outside Online, 10 Mar. 2023
  • The timetable of how her life unfolds need not adhere to a pesky biological clock.
    — Robin Marantz Henig, WIRED, 27 Mar. 2018
  • When the biological clock turns kids into night owls and day sleepers.
    — Eva Dwight, USA TODAY, 25 June 2018
  • This is largely due to early school start times, which force teens to wake up before their biological clocks are ready.
    — Joanna Fong-Isariyawongse, The Conversation, 7 Mar. 2025
  • The idea that blocking blue light helps with sleep stems from research on the sun’s effects on the body’s biological clock.
    — Kaitlin Sullivan, NBC News, 17 Aug. 2023
  • People tend to think of late risers as lazy or undisciplined, but our biological clocks are not set on all the same timers.
    — Amy Sowder, Bon Appetit, 7 Dec. 2017
  • In the days after daylight saving time starts, our biological clocks are a little bit off.
    — Brian Resnick, Vox, 2 Nov. 2018
  • This may have to do with your body's circadian rhythms, also know as your biological clock.
    — Samantha Lauriello, Health.com, 9 July 2019
  • Some scientists suggest that your biological clock gets out of sorts.
    — Amy Huschka, Detroit Free Press, 6 Mar. 2024
  • Some scientists suggest that your biological clock gets out of sorts.
    — Amy Huschka, Detroit Free Press, 10 Mar. 2024
  • Your biological clock may be highly adaptable, but when it’s thrown off-balance, nothing else feels quite right.
    — Ben Thomas, Discover Magazine, 10 July 2014
  • The theory is that fasting can help reset the biological clock, staving off the usual jet lag slump.
    — Lyndsey Matthews, AFAR Media, 12 Jan. 2026
  • There’s that awful biological clock that adds this pressure and is sort of doubled down by society.
    — Brian Davids, The Hollywood Reporter, 4 May 2023
  • Waking before dawn might throw your biological clock off compared with someone who woke up to sunshine.
    — Eva Frederick, Science | AAAS, 17 Oct. 2019
  • That means players will have to figure out how to sync their biological clocks for travel, training, and matches.
    — Eric Niiler, WIRED, 14 June 2018
  • In human bodies, biological clocks keep track of seconds, minutes, days, months and years.
    — Karen Wright, Scientific American, 21 Jan. 2012
  • The unfairness of online dating for women stressed about the tick of the biological clock.
    — Washington Post, 5 Aug. 2021
  • Odors act as circadian time cues that help synchronize the body’s biological clock and signal the time of year.
    — Paul Nicolaus, Outside, 22 Nov. 2025
  • Less light exposure during the winter months shifts your biological clock, throwing off your hormones, mood, and sleep.
    — Marisa McMillan, Outside, 20 Dec. 2025
  • In species in which biological clocks have been well studied — such as Drosophila and mice — that central timekeeper is housed in the brain.
    — Virat Markandeya, Smithsonian Magazine, 8 Mar. 2023
  • This biological clock is located in an area of the brain called the hypothalamus.
    — Horacio De La Iglesia, The Conversation, 16 Sep. 2022
  • There was this advice column, aimed at thirtysomethings with biological clock agita.
    — Brittany Allen, Literary Hub, 16 Mar. 2026
  • Rose says in the trailer, his biological clock ticking as his dream of being married with two kids by 40 gets slimmer and slimmer.
    — Dave Quinn, PEOPLE.com, 30 Oct. 2017
  • Staying in education can slow down your biological clock and reduce the signs of aging, according to a new study.
    — Nick Morrison, Forbes, 1 Mar. 2024
  • In the course of evolution, humans have developed a biological clock set to this alternating rhythm of light and dark.
    — Antonio Damasio, Scientific American, 25 Jan. 2012
  • That doesn’t sit well with some fans and critics, who see the Warriors as wasting a year of Curry’s prime, as his biological clock ticks away.
    — Scott Ostler, San Francisco Chronicle, 7 Mar. 2021
  • Align your eating schedule with your biological clock Our guts are programmed to work for 12 hours at a time, Shah says.
    — Andee Tagle, NPR, 19 Mar. 2026
  • Keeping the light patterns consistent with the outside world is important for a fish’s biological clocks.
    — Discover Magazine, 1 Oct. 2024
  • The cause is unknown, but cluster headaches may occur if something with the body’s biological clock is off, per the Mayo Clinic.
    — Amy Marturana Winderl, SELF, 30 Dec. 2019
  • Nikole Beckwith, the writer/director of this movie, talks a lot about how men have a biological clock too, but nobody really talks about it.
    — Angela Dawson, Forbes, 9 May 2021

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'biological clock.' 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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