38 citations,
August 2012 in “Biochemical and biophysical research communications” Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.
36 citations,
July 2016 in “Scientific reports” People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.
28 citations,
June 2015 in “Journal of circadian rhythms” An individual's morning or evening preference can predict changes in their body clock gene expression.
14 citations,
June 2016 in “Hypertension research” New method uses hair follicle cells to estimate human body clock phase, potentially improving sleep disorder diagnosis.
5 citations,
December 2016 in “International journal of biometeorology” Bright light during the day doesn't change most human clock genes but may slightly increase Rev-erb-ß.