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  2. Circadian clock - Wikipedia

    en.wikipedia.org/wiki/Circadian_clock

    A circadian clock, or circadian oscillator, also known as one’s internal alarm clock is a biochemical oscillator that cycles with a stable phase and is synchronized with solar time. Such a clock's in vivo period is necessarily almost exactly 24 hours (the earth's current solar day). In most living organisms, internally synchronized circadian ...

  3. Circadian rhythm - Wikipedia

    en.wikipedia.org/wiki/Circadian_rhythm

    A circadian rhythm (/ s ər ˈ k eɪ d i ə n /), or circadian cycle, is a natural oscillation that repeats roughly every 24 hours.Circadian rhythms can refer to any process that originates within an organism (i.e., endogenous) and responds to the environment (is entrained by the environment).

  4. Circadian rhythm sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Circadian_rhythm_sleep...

    A circadian rhythm is an entrainable, endogenous, biological activity that has a period of roughly twenty-four hours. This internal time-keeping mechanism is centralized in the suprachiasmatic nucleus (SCN) of humans, and allows for the internal physiological mechanisms underlying sleep and alertness to become synchronized to external environmental cues, like the light-dark cycle. [4]

  5. Experts Reveal the Exact Time to Shower for Better Sleep - AOL

    www.aol.com/experts-reveal-exact-time-shower...

    “Your rise time is your ‘anchor’ each day and helps regulate your circadian rhythm, a.k.a. your internal body clock,” says Silverman. ... only that it’s supposed to run on a set 24-hour ...

  6. Bunker experiment - Wikipedia

    en.wikipedia.org/wiki/Bunker_experiment

    This experiment provided evidence that humans have a circadian clock that can run independently from the 24-hour light-dark cycle and that different people can have unique rhythms. [7] The demonstration of the human circadian clock led to research that uncovered many of the mechanisms that underlie it. [13]

  7. When the winter days get shorter, the nation's sleep and ...

    www.aol.com/winter-days-shorter-nations-sleep...

    However, the lack of sunlight can actually wreak havoc on our internal body clock, also known as the circadian rhythm. This is the natural, 24-hour cycle that helps regulate when we wake up and ...

  8. Your better-sleep plan starts tonight (and why you need it now)

    www.aol.com/better-sleep-plan-starts-tonight...

    Waking up at a regular time each morning helps set your body’s circadian rhythm. That’s the 24-hour biological clock that helps your body perform key functions.

  9. Zeitgeber - Wikipedia

    en.wikipedia.org/wiki/Zeitgeber

    Researchers have shown that the 24-hour circadian clock also influences cognitive performance in a wide variety of paradigms, including serial search, verbal reasoning, working memory tasks, suppressing wrong answers, and manual dexterity.

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