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Looking at this image: https://i.imgur.com/NRvV0Kn.jpg [0]

It seems like they are significantly more awake during the day. I only did minimal research, so be weary to trust me. But regardless, I would find this study to be essentially useless in determining how blue light affects the sleep of humans.

[0] https://www.frontiersin.org/articles/10.3389/fnsys.2019.0005...



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