What actually happens
The joke is short. The answer deserves context.
Evening light can affect sleep timing, but phones also wake your brain up with novelty, emotion, messages, and one more video that somehow becomes forty minutes. Blaming only blue light is like blaming the spoon for eating the whole cake.
How the myth got legs
Every sticky belief has an origin story.
Screen science got flattened into a simple product tip: turn on night mode and become a monk. Useful? Sometimes. Complete? Not even close.
Research directions
Where the evidence trail begins.
These labels describe the editorial research lanes behind this draft. They are not substitutes for linked primary citations or professional advice.
- 01Sleep medicine researchEditorial source category
- 02Circadian rhythm studiesEditorial source category
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