The spectral composition of evening light and individual differences in the suppression of melatonin and delay of sleep in humans.


The effect of light on circadian rhythms and sleep is mediated by a multi-component photoreceptive system of rods, cones and melanopsin-expressing intrinsically photosensitive retinal ganglion cells. The intensity and spectral sensitivity characteristics of this system are to be fully determined. Whether the intensity and spectral composition of light… (More)
DOI: 10.1111/j.1600-079X.2011.00970.x


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