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The Nuance

Is Blue Light Really What’s Keeping You Awake?

It’s a convenient scapegoat, but there are other reasons that devices mess with your sleep

Every week, the Nuance will go beyond the basics, offering a deep and researched look at the latest science and expert insights on a buzzed-about health topic.

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Markham Heid

I’m a long-time contributor at TIME and other media orgs. I write mostly about health. I grew up in Michigan, but these days I live in southwest Germany.