Medical Definition of chronotype
: the internal circadian rhythm or body clock of an individual that influences the cycle of sleep and activity in a 24-hour period
It is also true that we are increasingly sleeping outside of the times normally dictated by our internal circadian clocks (our "chronotype"). — Science
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Great Words for Scrabble
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- Which of the following Q-without-U words means the number five in cards or dice?

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Merriam-Webster unabridged
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