Twilight! French translation by Jeremy Del Grosso (Genetik57)
Recent research suggests that exposure to blue light before bed can disrupt your natural (circadian) rhythm and cause sleep disturbances.
This is because of a photoreceptor in your eye called melanopsin. This receptor is sensitive to a narrow band of blue light between 460 nm and 480 nm, a range that can suppress the production of melatonin – the hormone responsible for your sleep-wake cycle.
The efficacy of a single sequence of intermittent light pulses can delay the phase of the circadian rhythm in humans. Claude Gronfier, Kenneth Wright, Richard E. Cronauer, Megan E. Jewett, Charles A. Zeisler 2009
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Version : 8.2
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