chronotype

American  

[kroh-nuh-tahyp, kron-uh-, kroh-noh-] / ˈkroʊ nəˌtaɪp, ˈkrɒn ə-, ˈkroʊ noʊ- /

noun

1. the tendency to be naturally more active or wakeful at a particular period of the day, varying in humans by individual and stage of life, and sometimes linked to other behaviors or to personality type.

   Typical office schedules cater to those with a morning chronotype, but some workers may be most productive in the late afternoon.

   Chronotype reflects a spectrum ranging from extreme preference for morning activity to extreme preference for evening activity.

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Etymology

Origin of chronotype

First recorded in 1970–75; chrono- ( def. ) + type ( def. )

Example Sentences

Your ideal rise time is linked to your chronotype, your genetic predisposition to waking at a certain time.

From The Wall Street Journal

It is possible, and often necessary, to override your chronotype and other factors in order to perform caregiving duties or get to work on time.

From The Wall Street Journal

Scientists also aim to better understand how individual factors, including chronotype and genetics, may influence how people respond to different eating schedules.

From Science Daily

There is, however, a disclaimer: Before taking to the comments and writing “But I’m a hardcore night owl, and I see the dress as white and gold, checkmate!,” note that I said “everything else being equal,” as chronotype is just a crude approximation of lifetime exposure to a certain wavelength mix.

From Slate

Sleep duration was assessed from the Munich Chronotype questionnaire, and recreational social media use through the Youth Screen Time Survey.

From Science Daily