Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The circadian rhythm of a given organism that determines if alertness and productivity are greater in the hours of early morning or later in the day.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The totality of factors, associated with circadian rhythms, that determine if an individual is most alert in the morning or evening

Etymologies

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Examples

  • Their "chronotype" -- that is, the preference for being active during the morning or evening -- falls somewhere in the middle.

    Learning to Live 2008

  • RE: Bakhtin: It is precisely the multivocality of the collective psyche which makes me nervous about talking about it in a totalizing way … But if "collective psyche" is redefined as something more akin to a "chronotype" then I'm OK with that. permalink

    Comments for Savage Minds 2010

  • RE: Bakhtin: It is precisely the multivocality of the collective psyche which makes me nervous about talking about it in a totalizing way … But if "collective psyche" is redefined as something more akin to a "chronotype" then I'm OK with that. permalink

    Comments for Savage Minds 2010

  • RE: Bakhtin: It is precisely the multivocality of the collective psyche which makes me nervous about talking about it in a totalizing way … But if "collective psyche" is redefined as something more akin to a "chronotype" then I'm OK with that. permalink

    Comments for Savage Minds 2010

  • RE: Bakhtin: It is precisely the multivocality of the collective psyche which makes me nervous about talking about it in a totalizing way … But if "collective psyche" is redefined as something more akin to a "chronotype" then I'm OK with that. permalink

    Comments for Savage Minds 2010

  • To determine the best time to nap, it helps to know your "chronotype".

    doggdot.us 2009

  • To determine the best time to nap, it helps to know your "chronotype".

    Lifehacker 2009

  • To determine the best time to nap, it helps to know your “chronotype”.

    Thursday, January 29, 2009 | Lifehacker Australia 2009

  • To determine the best time to nap, it helps to know your “chronotype”.

    An Expert’s Guide To Napping | Lifehacker Australia 2009

  • Secretion of melatonin as well as its level in the blood, peaks in the middle of the night, and gradually falls during the second half of the night, with normal variations in timing according to an individual's chronotype.

    RVABlogs 2009

  • We each have a chronotype – loosely defined as a lark (a morning person), or owl (more alert during later hours), though few of us are 100% one or the other, and the balance can shift with age – and it would be “foolishness”, says Colin Espie, professor of sleep medicine at the Nuffield department of clinical neurosciences at Oxford University, to say to an owl type: “You should get up early and be productive then. It goes against their natural sleep-wake rhythms.”

    ’You feel like a child again!’ Would exercising at 5am make you a happier person? Emine Saner 2021

  • Your “chronotype” refers to whether you are a “lark” (10% of the population), “owl” (25% of the population), or in between (sometimes called “dove”, representing most of us, at 65% of the population).

    The big idea: have we been getting sleep all wrong? Russell Foster 2022

  • He is also curious to investigate whether people’s chronotype, their preference for mornings or evenings, influences their propensity to photosneezia.

    Calling all sneezers: scientists try to unpick mystery of 'photosneezia' Linda Geddes 2020

  • The times you go to bed and rise in the morning are also, to some extent, predetermined: people naturally fall into different “chronotypes” – larks or owls, according to what time of day most people are productive – but these patterns shift as we get older.

    Is going to bed at 9pm the secret to happiness? My week of sleeping like a gen Zer Tim Dowling 2024

Comments

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  • Are you a 'day person' or a 'night person'?

    May 13, 2008