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.

Blue Light and Sleep Quality: What Science Really Says
December 8, 2025

Blue Light and Sleep Quality: What Science Really Says

Short answer: bright light in the evening, especially blue light, can delay melatonin and push your sleep later. That's well established....
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Blue Light Glasses No Magnification: What You Should Know
December 4, 2025

Blue Light Glasses With No Magnification: What You Should Know

Short answer: blue light glasses with no magnification are non-prescription glasses with flat lenses: they don't change how large or shar...
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Best Blue Light Glasses for Women: Benefits & Top Picks
November 27, 2025

Best Blue Light Glasses for Women: Benefits & Top Picks

Short answer: the best blue light glasses for women are the same lenses as for anyone; what differs is the frame and fit. Most people do ...
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Blue Light Glasses for Men: Our Top 3 Picks
November 20, 2025

Blue Light Glasses for Men: Our Top 3 Picks

Short answer: the best blue light glasses for men are the same as for anyone. What changes is the frame. Our top three picks: a clear Inv...
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Blue Light Glasses for Work: Do They Really Make a Difference?
November 13, 2025

Blue Light Glasses for Work: Do They Make a Difference?

Short answer: for most office and computer work, blue light glasses make little difference to eye strain. A 2023 Cochrane review found th...
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Blue Light to Wake Up: Does It Really Work?
November 6, 2025

Blue Light to Wake Up: How Morning Light Works

Short answer: yes, bright light in the morning, which is rich in blue light, helps you wake up. It tells your body clock it's daytime, wh...
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Woman shielding her eyes from bright sunlight
November 3, 2025

Do Blue Light Glasses Help with Light Sensitivity?

Short answer: regular blue light glasses usually don't do much for light sensitivity, because the problem is rarely blue light alone. Wha...
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Blue Light Glasses Oversized: Face Shapes, Benefits & FAQs
October 30, 2025

Oversized Blue Light Glasses: Face Shapes & Tips

Short answer: oversized blue light glasses are mainly a style choice. Bigger lenses do cover more of your view, so a little less stray li...
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Blue Light Glasses Clear Frames: What are They & Our Top Picks
October 27, 2025

Blue Light Glasses With Clear Frames: Our Picks

Short answer: blue light glasses with clear frames have a transparent (crystal) frame. The frame is about style; the lens decides what th...
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Blue light glasses for tv
October 23, 2025

Blue Light Glasses for TV: Do You Really Need Them?

Short answer: yes, TVs give off blue light. Every LED, QLED and OLED screen makes white light partly from blue light. But you sit much fa...
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Black-framed glasses resting on an open book
October 20, 2025

Blue Light Glasses for Reading: What They Are & Our Top Picks

Screens are a modern-day reality. You just can’t avoid them, especially if they’re an important part of your routine life.  However, the ...
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Where to find blue light glasses
October 16, 2025

Where to Find Blue Light Glasses (and What to Check)

Short answer: you can buy blue light glasses online (from brand websites and marketplaces like Amazon), at optical stores and eye doctors...
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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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