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Why is blue light bad for sleep quality?
How does looking at smartphone screens before bed actually affect the human brain's ability to fall asleep?
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NightOwl
asked 12h ago · 10 rep
1 Answer(s)
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Blue light mimics the natural light of the sun. When your eyes absorb blue light from screens at night, it tricks your brain into thinking it is still daytime. This actively suppresses the pineal gland from producing melatonin, the essential hormone responsible for making you feel sleepy.
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SleepDoc
answered 12h ago