SLEEP ZM JOURNAL

Sleep ZM Blog – Eye Health News

Practical guides, research-backed insights, and everyday tips for managing light, screens, sleep, and eye comfort.

Can Blue Light Glasses Help With Color Blindness? Let’s Find Out
April 20, 2026

Can Blue Light Glasses Help With Color Blindness?

Short answer: no. Color blindness comes from differences in the color-sensing cone cells in the eye, and a blue light filter can't change...
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Can Blue Light Glasses Help With Dark Circles? Let’s Find Out
April 16, 2026

Can Blue Light Glasses Help With Dark Circles?

Short answer: not directly. Blue light glasses don't treat dark circles, and there's no research showing they reduce them. The only reali...
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Can Blue Light Glasses Help With Car Sickness? Let’s Find Out
April 13, 2026

Can Blue Light Glasses Help With Car Sickness? Let’s Find Out

Short answer: there's no evidence that blue light glasses help with car sickness. Car sickness comes from a mismatch between what your in...
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Can Blue Light Glasses Help With BVD? A Deep, Practical Look
April 6, 2026

Can Blue Light Glasses Help With BVD? What to Know

Short answer: no, blue light glasses can't fix binocular vision dysfunction (BVD). BVD is a problem with how your two eyes work together,...
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Can Blue Light Glasses Help With Floaters?
March 30, 2026

Can Blue Light Glasses Help With Floaters?

Short answer: no. Blue light glasses don't remove floaters, shrink them or stop new ones forming. Floaters are inside the eye, and filter...
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Can Blue Light Glasses Help With Eye Twitching?
March 26, 2026

Can Blue Light Glasses Help With Eye Twitching?

Short answer: probably not. Blue light doesn't cause eyelid twitching, and there's no evidence that blue light glasses stop it. Most twit...
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Can Blue Light Give You Brain Fog? What You Must Know
March 23, 2026

Can Blue Light Give You Brain Fog? What Research Says

Short answer: not directly. Blue light doesn't damage the brain or slow your thinking. But bright screens late in the evening can delay s...
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Can Blue Light Glasses Help With a Lazy Eye?
March 19, 2026

Can Blue Light Glasses Help With a Lazy Eye?

Short answer: no. Blue light glasses don't treat a lazy eye, improve vision in the weaker eye or help the eyes work together, and they ar...
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Blue Light Glasses for Gaming: Do They Actually Help?
March 16, 2026

Blue Light Glasses for Gaming: Do They Actually Help?

Short answer: they won't improve your game, and the evidence says they probably make little difference to tired eyes. Where they do make ...
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Do Blue Light Glasses Help With Cybersickness?
March 12, 2026

Do Blue Light Glasses Help With Cybersickness?

Short answer: probably not much. Cybersickness comes from a mismatch between the motion your eyes see on screen and the stillness your in...
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Blue Light Glasses Reflection: Why It Happens and How to Fix It
February 26, 2026

Blue Light Glasses Reflection: Why, and How to Stop It

Short answer: the blue or purple sheen on blue light glasses comes from a filter coating on the lens surface. Instead of absorbing some o...
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Blue Light Glasses Lenses Explained: Types & Top Picks
February 12, 2026

Blue Light Glasses Lenses Explained: Types & Top Picks

Short answer: blue light glasses lenses differ mainly in how much blue light they filter, and that's what the tint tells you. Clear lense...
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The Healthy Light Living Handbook
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The Healthy Light Living Handbook

Jeff and Dot Smith's guide to living with light: which lens suits which hour, how light moves your body clock, and what to change before you reach for a different pair of glasses. Free, sent straight to your inbox.

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