The first and third apply to TV, radio, podcasts, or possibly even reading. The second isn’t a guarantee (not conclusive for everyone) and can be solved with technology.

The real science here is practicing good sleep hygiene. Your phone is one of many things that can fuck with that; it’s only a small part of it.

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RedditRefugee69 2 points 2 years ago

So before is bad, but after?

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zero_spelled_with_an_ecks 6 points 2 years ago

From OP's link, other of the papers: https://journals.physiology.org/...

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CarbonIceDragon 15 points 2 years ago

Before bed I've heard, but right after waking? I thought light was good then for getting you more alert?

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shalafi 8 points 2 years ago

You're right. Light with lots of blue in it, like the dawn, wakes us up.

Want to hear a dumb story? Been patting myself on the back for a couple of years because I set the e-reader on my tablet to black with dark orange letters.

"That blue light won't get me!"

I just now realized that it still casts a blue light on the ceiling when I lay it down.

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htrayl 8 points 2 years ago

Eh, even in "the real world" we still encounter blue wave lengths in the evening. I think it is a matter or reduction (aka not shoving a largely blue light source in your face) than elimination.

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stebo02 12 points 2 years ago

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LH0ezVT 11 points 2 years ago

Story time!

Some years ago, I had to get up very early for a job. So, to make it easier on me, I bought/built some programmable LED lights and set them to gradually shift from dark red to bright blue-white.

Fast forward some years, and I can comfortably ignore bright sunlight and 50W of white LEDs in my face. I don't even bother to put down the shutters any more. I wake up, semi-consciously acknowledge that it is morning, turn around and continue sleeping.

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ZMoney 9 points 2 years ago

Science: Please stop using the word believe, it's making me nervous.

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southsamurai 8 points 2 years ago

Look, I believe that dancing naked in the rain increases the chances of getting hit by lightning, but I'm still gonna do it

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IDKWhatUsernametoPutHereLolol 7 points 2 years ago

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