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A comment on Is screen time good or bad? It’s not that simple. Parent comment

Re:Is screen time good or bad? It’s not that simple by krtkush on Tuesday January 22, 2019 @04:36AM (#18967149)
Blue light produced by screens is harmful and effects sleep pattern.
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Re:Is screen time good or bad? It’s not that simple by skocznymroczny on Tuesday January 22, 2019 @05:13AM (#18967274)
Do you have any sources for that? Not being negative here, but last time I checked it was mostly in the realm of hypothesis and broscience.
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Re:Is screen time good or bad? It’s not that simple by a-saleh on Tuesday January 22, 2019 @05:38AM (#18967344)
This sounds like a source. http://www.gwern.net/docs/melatonin/2009-burkhart.pdf

But it seems to be very subjective. And the group that started limiting blue-light before sleep seems to have percieved their sleep quality as quite low, so the improvement might be only correlated?

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Re:Is screen time good or bad? It’s not that simple by timrichard on Tuesday January 22, 2019 @06:02AM (#18967440)
Both iOS and Android have timed night mode features to lower the colour temperature... or at least apps to do that if not using a recent OS.

I'm not convinced it's much of an issue these days.

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