How to Use internal clock in a Sentence
internal clock
noun-
Even one or two late nights can throw your body’s internal clock off for days.
—Allison Palmer, Charlotte Observer, 16 Apr. 2026
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Research has found that your colon has an internal clock, much like your sleep–wake cycle.
—Sara Coughlin, Health, 10 Aug. 2023
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New science shows the sweet spot for your 24-hour internal clock.
—Linda Carroll, NBC News, 24 Feb. 2023
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Latu had a solid game, adding some good edge rushes to speed up Stafford’s internal clock.
—The Athletic Nfl Staff, New York Times, 29 Sep. 2025
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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
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One set of genes that the birds seem to leave untouched are those responsible for their internal clock.
—Bob Holmes, Smithsonian Magazine, 9 Oct. 2024
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Your body’s internal clock is set almost entirely by the light hitting your eyes.
—Allison Palmer, Charlotte Observer, 9 May 2026
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Your body’s internal clock is set almost entirely by the light hitting your eyes.
—Allison Palmer, Charlotte Observer, 7 May 2026
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The sleepy cues are managed by your circadian rhythm, or your body's internal clock.
—Andee Tagle, NPR, 15 Jan. 2026
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That can also improve our circadian rhythm, or our internal clock, which can in turn help our sleep.
—Addy Bink, The Hill, 3 Nov. 2024
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For early risers and late-nighters alike, listening to your internal clock may be the key to success.
—Cindi May, Discover Magazine, 10 Nov. 2023
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Your circadian rhythm is your body’s internal clock.
—Gina Park, CNN Money, 8 Dec. 2025
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Irregular sleep schedules disrupt the body’s internal clock the same way jet lag does.
—Avery Newmark, AJC.com, 10 Mar. 2026
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Whether it was intended or not, the early pressure caused Maye’s internal clock to speed up for the rest of the game.
—Jacob Robinson, New York Times, 13 Feb. 2026
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Some people naturally have an internal clock that runs a little late.
—Caitlin Carlson, Women's Health, 24 Mar. 2023
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Head outdoors for early morning sunlight the week after the time change, as the bright light will help set your internal clock to the new time.
—Leada Gore | [email protected], al, 10 Mar. 2023
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Changing meal times can disrupt the body’s internal clock, which helps regulate blood sugar.
—Merve Ceylan, Health, 8 Mar. 2026
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Changing meal times can disrupt the body’s internal clock, which helps regulate blood sugar.
—Merve Ceylan, Health, 12 May 2026
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The decrease in sunlight may disrupt a body’s internal clock and lead to feelings of depression.
—Tribune Content Agency, The Mercury News, 2 Oct. 2024
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When an adolescent goes through puberty, their internal clock changes so that their sleep schedule shifts to later hours.
—Julio Fernandez-Mendoza, The Conversation, 20 Mar. 2025
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That early light exposure helps reset their internal clock.
—Katia Hetter, CNN Money, 3 Nov. 2025
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Light helps control your body’s internal clock, also called your circadian rhythm.
—Julie Scott, Verywell Health, 7 Apr. 2026
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That nap after arrival, or overnight rest in some cases, instantly reset my internal clock.
—Bobby Laurie, Condé Nast Traveler, 14 Sep. 2023
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Many people have a difficult time adjusting since their internal clock has been altered.
—Ashlyn Messier, Fox News, 4 Nov. 2023
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This relates to having a later internal clock compared with actual clock time.
—Sally Ibrahim, The Conversation, 23 June 2026
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Science shows that light (and avoiding light) and, to a lesser extent, melatonin, are the only things that shift your internal clock.
—Tim Neville, Outside Online, 5 Dec. 2024
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The sudden change can disrupt your body’s internal clock, leaving you tired in the morning, wide awake at night and sluggish throughout the day.
—Katia Hetter, CNN Money, 3 Nov. 2025
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The type of lighting, timing, and color of light can all have significant effects on your body's internal clock.
—Jessica Bennett, Better Homes & Gardens, 27 Feb. 2023
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Go outside for early morning sunshine that first week of daylight saving time, which can help reset your body's internal clock.
—ABC News, 6 Mar. 2026
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That internal clock controls your sleep and wake cycles, detecting light as a signal to be awake and darkness as a signal to fall asleep.
—Kristen Rogers, CNN Money, 27 Oct. 2025
Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'internal 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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