[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"article-detail":3},{"lang":4,"article":5,"alternate":19,"related":24,"latest":33},"en",{"id":6,"slug":7,"title":8,"content":9,"summary":10,"thumbnail":11,"metaDescription":12,"metaKeywords":13,"created":14,"modified":14,"author":15,"authorEn":15,"categoryId":16,"commentCount":17,"thumbnailToContent":18},12763,"phone-in-bed-eye-strain-pbey","Is Using Your Phone in Bed Bad for Your Eyes?","\u003Cp style=\"margin:0 0 18px;\">Lying in bed, scrolling your phone — it really is the best part of the day. But it is also the most dangerous thing you do to your eyes every single night.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Surveys have found that more than 80% of people habitually use their phones before sleep. And even when they feel sleepy, more than 80% of them stubbornly keep scrolling [1].\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Your spirit can handle it. Your eyes cannot.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">When your energy runs out, you can recharge. When your eyes are damaged, they do not bounce back so easily.\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>Sin One: The Position — Lying Flat, Lying Prone\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">The first thing to criticize is the \"lying down.\"\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Under the covers, almost everyone curls up with the phone held in front of their face. Have you ever thought about how close your eyes are to the screen? If this were childhood TV-watching, your parents would have thrown a stool at you.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Sitting upright during the day, your eyes sit about 30 to 40 centimeters from the phone. Lying in bed — especially for nearsighted people who have taken off their glasses — whether flat on your back, on your stomach, or on your side, your eyes end up only 20 centimeters or even closer from the screen.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">The closer the screen, the more focusing effort your eyes must exert, and the more pressure they absorb. All of it adds up to faster eye fatigue.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cimg src=\"\u002Fattachment\u002F20261007\u002Fd7f1f43179294ed2b2e5c880055ce21b.webp\" alt=\"img_01.webp\">\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">This fatigue is not the fatigue of running an 800-meter race. It is not something a short rest cures. It belongs to a condition called computer vision syndrome: what you feel is tired eyes, but what you cannot feel are the many visual dysfunctions quietly accumulating — slower focusing, and eyes that easily blur on near objects.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Side-lying deserves special criticism.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">When you lie on your side, the two eyes sit at different distances from the screen, and one eye may be pressed against the pillow and closed — you end up watching with one eye only. Your eyes tire faster, and the vision in that single eye can decline.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">But do you care about tired eyes? You only care whether the phone is fun.\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>Sin Two: The Lights Are Off\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">Your pupil size tracks ambient light: it shrinks in bright light and dilates in dim light.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">When you lie in the dark scrolling, the room is pitch black, so your pupils dilate to let in more light — but the phone screen is bright, so your pupils constrict to let in less. Your pupil cannot dilate and constrict at the same time. It just keeps adjusting, over and over. It is exhausting.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">And do you care about tired eyes? You only care whether the phone is fun.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Beyond fatigue, playing with your phone in dim light causes subtle changes inside the eye. It can disturb the balance of fluid moving in and out of the eyeball, and can even push intraocular pressure upward. If you are born strongly hyperopic, or have structural eye abnormalities, or a family history of glaucoma, this can trigger acute angle-closure glaucoma — a disease that can cause blindness.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cimg src=\"\u002Fattachment\u002F20261007\u002F5e69bca2f91f4a94aca4ce68f0d08311.webp\" alt=\"img_02.webp\">\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">This beautiful world — do you not want to keep looking at it?\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>Sin Three: The Sessions Are Too Long\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">Why did your parents never allow an entire afternoon of TV? Because your eyes get dry! They get hurt!\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Every time you blink, tears spread evenly across the cornea, keeping it moist and working properly. But that tear film only lasts so long before it breaks. That is why you blink 10 to 20 times every minute — to keep the ocular surface from drying out.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">When you are so absorbed in your phone that you cannot look away, your blink rate drops (count how often someone blinks while playing with their phone — you will see). Without the tear film's protection, you may feel stinging and dryness. Over time, tear secretion becomes abnormal, tear film stability drops, dry eye sets in, and eye fatigue gets worse.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">But you… let's not even go there.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Cry! Crying keeps your eyes moist! 丨giphy\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>Eye-Friendly Ways to Scroll in Bed\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">Now you care about tired eyes — but you cannot bear to give up the joy of scrolling before sleep. So here are some suggestions for scrolling in bed in a relatively eye-friendly way.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Turn on a lamp!\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Scrolling with the lights off is nothing but harm to your eyes. The ceiling light is too bright and disturbs sleep, so…\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cimg src=\"\u002Fattachment\u002F20261007\u002Fc6716a30516c46079bba0a182f0025f7.webp\" alt=\"img_03.webp\">\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Fix your posture.\u003C\u002Fstrong> Try sitting up, or keep your eyes at a healthy distance from the screen. Side-lying with one eye closed is the worst of all.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Blink on purpose.\u003C\u002Fstrong> Remind yourself when scrolling: blink more, blink more, blink more!\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Watch the humidity.\u003C\u002Fstrong> If your eyes still feel dry, check the room's humidity — is it too dry? If so, get a humidifier going.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Still dry after all that?\u003C\u002Fstrong> Then book an ophthalmology clinic visit. I am serious.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Rule out glaucoma.\u003C\u002Fstrong> Ask your family whether anyone has a glaucoma history. Check your old physical-exam reports for high intraocular pressure. If either answer is yes, get your intraocular pressure and fundus checked regularly, without delay.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Follow the 20-20-20 rule.\u003C\u002Fstrong> Every 20 minutes of screen time, look away for 20 seconds. This rule is designed for daytime reading — and it applies to nighttime scrolling just as well.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">No one needs to tell you the best method of all: just don't scroll in bed (though I can't do it either). But the habit of protecting your eyes matters. At worst, sit up, scroll enough before sleep, scroll until you're bored — then go to sleep.\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>The Closest You'll Ever Get to Your Own Eyes' Secret\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">Your eyes run on structures too small to see: the focusing muscles that strain at 20 centimeters, the tear film that breaks every few seconds, the pressure valve that can silently turn dangerous in the dark.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">That hidden machinery is exactly what a microscope brings into view — and a single drop of pond water can hold it.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">In the WWAI app, a Euglena specimen shows you a real photosensitive structure under the lens: watch its flagellum drive the cell while the red eyespot steers it toward light. It is the same logic your pupil uses to chase and escape brightness every night.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Curious to see a living light-detector under a microscope? Open the app store and search \u003Cstrong>WWAI\u003C\u002Fstrong> to download — the specimen is online, ready the moment you are.\u003C\u002Fp>\n\u003Cdiv class=\"dp-template-card\" style=\"border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);margin:10px 0;max-width:100%;overflow:hidden;width:100%;\">\n \u003Ca style=\"display:block;text-decoration:none;\" href=\"https:\u002F\u002Fyun-hub.chat\u002Flink\u002F?app=wwai&clickid=stellarx&dplink=specimenid%3D1004\" target=\"_blank\">\u003Cimg class=\"image_resized\" style=\"display:block;height:auto;max-width:100%;width:100%;\" src=\"\u002Fattachment\u002F20260824\u002F5ba5dd3c38404fe785f43c44423830de.png\" alt=\"5ba5dd3c38404fe785f43c44423830de\">\n  \u003Cbutton style=\"align-items:center;background-color:#1f983e;border-radius:0 0 25px 25px;border-style:none;color:#ffffff;cursor:pointer;display:flex;font-family:Times New Roman;font-size:19px;height:40px;justify-content:center;padding:0;width:100%;\">EXPLORE NOW\u003C\u002Fbutton>\u003C\u002Fa>\n\u003C\u002Fdiv>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>References\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">China Youth Daily, \"84.1% of surveyed young adults keep scrolling even when sleepy\" (survey report cited in the source article, March 24, 2022, page 10).\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">All illustrations are from the original source article (reproduced under fair use); locally adapted for this site's science-communication positioning.\u003C\u002Fp>\n\u003Cp style=\"color:#111;margin:28px 0 8px;\">\u003Cstrong>Related reading\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 20px;\">\u003Ca style=\"color:#111;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fdry-eye-meibomian-gland-oil-xkmv\">\u003Cimg class=\"image_resized\" style=\"border-radius:8px;display:block;height:auto;margin-bottom:6px;max-width:520px;width:100%;\" src=\"https:\u002F\u002Fcdn.banyunjuhe.com\u002Fattachment\u002F20261002\u002F7ea41af72a454602a61e79297a1ece03.webp\" alt=\"Dry Eyes? 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What really happens.","stellarx, wwai, using phone in bed, eye strain, dry eyes, glaucoma","2026-10-07 20:19:02","Science Guide Wwai",77,0,false,{"id":20,"slug":21,"title":22,"lang":23},12765,"homochirality-life-mirror-hmls","同手性是什麼？2026 諾貝爾化學獎得主解開生命之謎","zh",{"prev":25,"next":29},{"id":26,"slug":27,"title":28,"categoryId":16},12764,"homochirality-nobel-chemistry-hcmr","Homochirality Explained: Nobel Chemistry 2026 | stellarx",{"id":30,"slug":31,"title":32,"categoryId":16},12761,"bee-communication-waggle-dance-ptqs","How Do Bees Communicate? 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