The red light doesn't seem to travel as far. It's less likely to wake your partn... | Hacker News

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		art4ur on Dec 30, 2019 \| parent \| context \| favorite \| on: Blue light may not be as disruptive to sleep patte... The red light doesn't seem to travel as far. It's less likely to wake your partner when you peek at your device in the middle of the night.

internet_user on Dec 31, 2019 [–]

that has to do with two things:

1) our photoreceptors in retina have highest sensitivity to blue

2) blue photons are higher in energy than red (1.5x to 2x, depending on specific frequencies/color temps)

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