It's Not The Blue Light Keeping You Up — It's This

It's not the blue light. It's the dopamine.

In Part 2 of this episode of 𝐓𝐡𝐞 𝐃𝐰𝐚𝐲𝐧𝐞 𝐊𝐞𝐫𝐫𝐢𝐠𝐚𝐧 𝐏𝐨𝐝𝐜𝐚𝐬𝐭, 𝐃𝐫. 𝐌𝐢𝐜𝐡𝐚𝐞𝐥 𝐁𝐫𝐞𝐮𝐬 — 𝐓𝐡𝐞 𝐒𝐥𝐞𝐞𝐩 𝐃𝐨𝐜𝐭𝐨𝐫 — debunks one of the most common assumptions about screens and sleep.

If blue light during the day doesn't bother your eyes, it's not the light keeping you up at night. It's the engagement.

Trying to beat your high score? Scrolling for one more video? That's the problem — not the glow of the screen.

Here's the unexpected twist. Blue light blocking glasses don't block harm — they make everything look duller. The colors get worse. The screen gets boring faster.

And when you're bored? You go to sleep sooner.

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