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Blue blockers

product
Last discussed Feb 26, 2026

Glasses or filters that block blue light wavelengths, often used in the evening to improve sleep.

Recently discussed in

Master Your Sleep & Be More Alert When Awake
Andrew Huberman · Jan 11, 2021

What creators say

Andrew Huberman
mentioned
Used for: Late-evening screen use

"A lot of people will say, "Oh, I should be wearing blue blockers throughout the day." No, that's the exact wrong thing. If you're going to use blue blockers, that should be reserved for late in the evening."

More from Andrew Huberman →
Andrew Huberman
critical

"And if you're somebody who's really keen on blue blockers and you're wearing your blue blockers all day, well, don't wear them outside. And in fact, you're probably doing yourself a disservice by wearing them in the morning and in the daytime."

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