Sex and ancestry determine the free‐running circadian period

Summary The endogenous, free‐running circadian period (τ) determines the phase relationship that an organism assumes when entrained to the 24‐h day. We found a shorter circadian period in African Americans compared to non‐Hispanic European Americans (24.07 versus 24.33 h). We speculate that a short...

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Veröffentlicht in:	Journal of sleep research 2017-10, Vol.26 (5), p.547-550
Hauptverfasser:	Eastman, Charmane I., Tomaka, Victoria A., Crowley, Stephanie J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Africa - ethnology African Americans blacks chronotype Circadian Rhythm - genetics Circadian Rhythm - physiology ethnicity Europe - ethnology European Continental Ancestry Group Female Human Migration Humans Male Photoperiod race Seasons Sex Characteristics slavery tau Time Factors
Online-Zugang:	Volltext
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