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.
Best Blue Light Glasses for Phone Use: Day and Night
Short answer: for scrolling during the day, a clear lens is plenty, and many people don't need one at all. Phone blue light hasn't been s...
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Blue Light Filter for Sleep: Do They Really Work?
Short answer: blue light filters can help a little, as part of an evening routine. Night mode and filter apps cut some of the blue light ...
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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 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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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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Do Blue Light Glasses Make You Tired?
Short answer: no, blue light glasses don't make you tired. They filter light; they don't contain anything that makes you sleepy. If you f...
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Blue Light Glasses Before Bed: How Long to Wear Them
Short answer: put blue light glasses on two to three hours before bed and keep them on until lights out. The lens matters as much as the ...
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5 Best Blue Light Blocking Glasses For Sleep
Short answer: the best blue light blocking glasses for sleep have an orange or red lens that filters almost all blue light, not a clear o...
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Blue Light Glasses Orange Lens: How Much Do They Block?
Short answer: a good orange lens blocks almost all blue light. Our SleepAid orange lens blocks 99% of light between 380 and 550nm, indepe...
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