Comment by porphyra

Actually, it seems there is little or no conclusive evidence for this.

[1] https://sleepopolis.com/news/children-night-lights-cause-myo...

[2] https://www.sciencedaily.com/releases/2000/03/000309074442.h...

[3] https://news.osu.edu/night-lights-dont-lead-to-nearsightedne...