--- title: "Meaning & Key Takeaway of: The blue light emanating from our cell…" description: "\"The blue light emanating from our cell phones, our tablets and our laptops is playing havoc on our brain chemicals: our serotonin, our melatonin. It's ..." image: "https://sms4smile.com/quotes/i/84c/harley-pasternak-5369_blue_the-blue-light-emanating-from-our-cell-p_591609.jpg" --- # The blue light emanating from our cell phones, our tablets… ![“The blue light emanating from our cell phones, our tablets and our laptops is playing havoc on our brain chemicals: our serotonin, our melatonin. It's screwing up our sleep patterns, our happiness, our appetites, our carbohydrate cravings.” quote by Harley Pasternak](https://sms4smile.com/quotes/i/84c/harley-pasternak-5369_blue_the-blue-light-emanating-from-our-cell-p_591609.jpg) [Download](https://sms4smile.com/quotes/i/84c/harley-pasternak-5369_blue_the-blue-light-emanating-from-our-cell-p_591609.jpg) [Open image](https://sms4smile.com/quotes/i/84c/harley-pasternak-5369_blue_the-blue-light-emanating-from-our-cell-p_591609.jpg) > “The blue light emanating from our cell phones, our tablets and our laptops is playing havoc on our brain chemicals: our serotonin, our melatonin. It's screwing up our sleep patterns, our happiness, our appetites, our carbohydrate cravings.” [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Blue light from screens disrupts brain chemistry, affecting sleep, mood, appetite, and cravings. **In simple terms:** Screen light harms sleep and mood. Key Takeaway Limit screen exposure before bed. Themes health technology wellbeing Mood concerned reflective Type advice informative When to use this quote - evening routines - workplace breaks - family meals - nighttime device use Key Concepts neurochemistry circadian rhythm digital addiction Questions to Reflect On - How does your evening screen use affect your sleep? - What habits can you change to improve mood? A Different Perspective Other factors like diet and stress also influence these effects. ★ ★ ★ ★ ★ No ratings yet [Blue](https://sms4smile.com/quotes/about/blue/) [Blue Light](https://sms4smile.com/quotes/about/blue-light/) [Brain](https://sms4smile.com/quotes/about/brain/) [Brain Chemicals](https://sms4smile.com/quotes/about/brain-chemicals-607676/) [Cell phone](https://sms4smile.com/quotes/about/cell-phone/) [Cell phones](https://sms4smile.com/quotes/about/cell-phones/) [Happiness](https://sms4smile.com/quotes/about/happiness/) [Light](https://sms4smile.com/quotes/about/light/) [Melatonin](https://sms4smile.com/quotes/about/melatonin/) [Melatonin Screwing](https://sms4smile.com/quotes/about/melatonin-screwing-4841353/) [Serotonin Melatonin](https://sms4smile.com/quotes/about/serotonin-melatonin-4841352/) [Sleep](https://sms4smile.com/quotes/about/sleep/) ## Related quotes > [“How can you make that happen on a regular basis? Try to sleep during the same hours each night (e.g., 11 p.m. to 7…](https://sms4smile.com/quotes/robert-c-pozen/how-can-you-make-that-happen-on-a-regular-basis-try-to-sleep-during/) [Robert C. Pozen](https://sms4smile.com/quotes/author/robert-c-pozen/) > [I'm sure scientists would point to specific brain chemicals, but I think love is actually a kind of magic. It's what allows things to…](https://sms4smile.com/quotes/theodora-goss/i-m-sure-scientists-would-point-to-specific-brain-chemicals-but-i/) [Theodora Goss](https://sms4smile.com/quotes/author/theodora-goss/) > [“What I learned was this: letting myself be at the mercy of hormones and brain chemicals and emotions can be deadly.”](https://sms4smile.com/quotes/charles-sheehan-miles/what-i-learned-was-this-letting-myself-be-at-the-mercy-of-hormones/) [Charles Sheehan-Miles](https://sms4smile.com/quotes/author/charles-sheehan-miles/) > [Mood reflects the biology of the brain. How you feel is affected by the chemicals in the brain, and these are the same chemicals…](https://sms4smile.com/quotes/liz-miller/mood-reflects-the-biology-of-the-brain-how-you-feel-is-affected-by/) [Liz Miller](https://sms4smile.com/quotes/author/liz-miller/) > [The chemicals that are running our body and our brain are the same chemicals that are involved in emotion. And that says to me…](https://sms4smile.com/quotes/candace-pert/the-chemicals-that-are-running-our-body-and-our-brain-are-the-same/) [Candace Pert](https://sms4smile.com/quotes/author/candace-pert/) > [“Throughout the human life span there remains a constant two-way interaction between psychological states and the neurochemistry of the frontal lobes, a fact that…](https://sms4smile.com/quotes/gabor-mat/throughout-the-human-life-span-there-remains-a-constant-two-way/) [Gabor Maté](https://sms4smile.com/quotes/author/gabor-mat/) > [If evolution is true, you could not know that it’s true because your brain is nothing but chemicals. Think about that.](https://sms4smile.com/quotes/kent-hovind/if-evolution-is-true-you-could-not-know-that-it-s-true-because-your/) [Kent Hovind](https://sms4smile.com/quotes/author/kent-hovind/) > [“D.O.S.E meaning the natural production of ‘feel-good’ brain chemicals such as: --Dopamine (responsible for intense pleasure.) --Oxytocin (known as the love hormone.) --Serotonin (a…](https://sms4smile.com/quotes/m-p-neary/d-o-s-e-meaning-the-natural-production-of-feel-good-brain-chemicals/) [M.P. Neary](https://sms4smile.com/quotes/author/m-p-neary/) > [Sleep is simply a chemical change in our brain and body (melatonin) - It?s not a place we go, it is a state of…](https://sms4smile.com/quotes/bill-crawford/sleep-is-simply-a-chemical-change-in-our-brain-and-body-melatonin-it/) [Bill Crawford](https://sms4smile.com/quotes/author/bill-crawford/) > [“While he attends to his rats, Persinger gives me the lowdown on the haunt theory. Why would a certain type of electromagnetic field make…](https://sms4smile.com/quotes/mary-roach/while-he-attends-to-his-rats-persinger-gives-me-the-lowdown-on-the/) [Mary Roach](https://sms4smile.com/quotes/author/mary-roach/) > [“In human studies, black cohosh has been found to decrease hot flashes associated with menopause. Unlike conventional estrogen effects on individuals predisposed to breast…](https://sms4smile.com/quotes/daniel-g-amen/in-human-studies-black-cohosh-has-been-found-to-decrease-hot-flashes/) [Daniel G. Amen](https://sms4smile.com/quotes/author/daniel-g-amen/) > [In a Harvard University study, the diets of nearly 1,000 women were analysed before their morning melatonin levels were measured. Meat consumption was the…](https://sms4smile.com/quotes/michael-greger/in-a-harvard-university-study-the-diets-of-nearly-1-000-women-were/) [Michael Greger](https://sms4smile.com/quotes/author/michael-greger/) > [“She began using B vitamins, magnesium, and 5-HTP twice daily, along with tryptophan and a melatonin complex at night. Sure enough, within five days…](https://sms4smile.com/quotes/henry-emmons/she-began-using-b-vitamins-magnesium-and-5-htp-twice-daily-along-with/) [Henry Emmons](https://sms4smile.com/quotes/author/henry-emmons/) > [Get over jet-lag quickly. I think a lot of people waste the first few days sleeping in the wrong time zone. Sometimes I take…](https://sms4smile.com/quotes/jane-seymour/get-over-jet-lag-quickly-i-think-a-lot-of-people-waste-the-first-few/) [Jane Seymour](https://sms4smile.com/quotes/author/jane-seymour/) > [ We're not really sure why it \[broken circadian rhythm\] continues, but when they become adults, we usually have to treat it because many people… ](https://sms4smile.com/quotes/shelby-harris/we-re-not-really-sure-why-it-broken-circadian-rhythm-continues-but/) [Shelby Harris](https://sms4smile.com/quotes/author/shelby-harris/) ## More by Harley Pasternak > [The key to finding protein for your snacks when you're on the go is making sure said snacks don't need to be refrigerated, don't…](https://sms4smile.com/quotes/harley-pasternak/the-key-to-finding-protein-for-your-snacks-when-you-re-on-the-go-is/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [If you're ready to give yourself a little challenge, take a walk and mix in short bouts of jogging. It can boost your calorie…](https://sms4smile.com/quotes/harley-pasternak/if-you-re-ready-to-give-yourself-a-little-challenge-take-a-walk-and/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [The Swedes prepare their food through curing, smoking, pickling and boiling. Pickling food contains digestive-system-friendly probiotics, and while boiling may not be the tastiest,…](https://sms4smile.com/quotes/harley-pasternak/the-swedes-prepare-their-food-through-curing-smoking-pickling-and/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [I hate greens. I hate vegetables, but greens - especially in a smoothie - are a great way for a big kid like me…](https://sms4smile.com/quotes/harley-pasternak/i-hate-greens-i-hate-vegetables-but-greens-especially-in-a-smoothie/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [I got into bodybuilding very young - I was 13.](https://sms4smile.com/quotes/harley-pasternak/i-got-into-bodybuilding-very-young-i-was-13/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [In America, we eat until we're full, which means we usually go past the point of satiety because satiety actually follows digestion.](https://sms4smile.com/quotes/harley-pasternak/in-america-we-eat-until-we-re-full-which-means-we-usually-go-past-the/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [I tell all my clients to drink at least six water bottles a day.](https://sms4smile.com/quotes/harley-pasternak/i-tell-all-my-clients-to-drink-at-least-six-water-bottles-a-day/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [Dark bread like rye or pumpernickel is much healthier than the refined white bread favored by many Americans.](https://sms4smile.com/quotes/harley-pasternak/dark-bread-like-rye-or-pumpernickel-is-much-healthier-than-the/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [A lot of the movements we do in the gym are things that can be done outside, but we have the benefits of the…](https://sms4smile.com/quotes/harley-pasternak/a-lot-of-the-movements-we-do-in-the-gym-are-things-that-can-be-done/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [Cranberries are an ultra healthy fruit, but cranberry sauces are often so sugared down that it eliminates all their healthy benefits.](https://sms4smile.com/quotes/harley-pasternak/cranberries-are-an-ultra-healthy-fruit-but-cranberry-sauces-are-often/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [Cardio-based exercise involves moving at a moderate intensity, using many muscle groups at once. Think: walking, jogging, cycling, etc.](https://sms4smile.com/quotes/harley-pasternak/cardio-based-exercise-involves-moving-at-a-moderate-intensity-using/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [Life is too short. If we're in Italy, have pizza and pasta. But not every day.](https://sms4smile.com/quotes/harley-pasternak/life-is-too-short-if-we-re-in-italy-have-pizza-and-pasta-but-not/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [You don't need equipment of any kind to get a good workout in. In fact, you can get a good workout in the smallest…](https://sms4smile.com/quotes/harley-pasternak/you-don-t-need-equipment-of-any-kind-to-get-a-good-workout-in-in-fact/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [Lentils, beans, and other legumes, such as chickpeas, are all excellent sources of fiber.](https://sms4smile.com/quotes/harley-pasternak/lentils-beans-and-other-legumes-such-as-chickpeas-are-all-excellent/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) > [Ignore the scale, and make the process your goal.](https://sms4smile.com/quotes/harley-pasternak/ignore-the-scale-and-make-the-process-your-goal/) [Harley Pasternak](https://sms4smile.com/quotes/author/harley-pasternak/) [Explore all 101 Harley Pasternak quotes ](https://sms4smile.com/quotes/author/harley-pasternak/) ## More Blue quotes > [When I haven't any blue I use red.](https://sms4smile.com/quotes/pablo-picasso/when-i-haven-t-any-blue-i-use-red/) [Pablo Picasso](https://sms4smile.com/quotes/author/pablo-picasso/) > [It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it…](https://sms4smile.com/quotes/carl-sagan/it-is-sometimes-said-that-scientists-are-unromantic-that-their/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [If you're white and you're wrong, then you're wrong; if you're black and you're wrong, you're wrong. People are people. Black, blue, pink, green…](https://sms4smile.com/quotes/bob-marley/if-you-re-white-and-you-re-wrong-then-you-re-wrong-if-you-re-black/) [Bob Marley](https://sms4smile.com/quotes/author/bob-marley/) > [Memory revises me. Even now a letter comes from a place I don’t know, from someone with my name and postmarked years ago, while…](https://sms4smile.com/quotes/li-young-lee/memory-revises-me-even-now-a-letter-comes-from-a-place-i-don-t-know/) [Li-Young Lee](https://sms4smile.com/quotes/author/li-young-lee/) > [Human beings should stick together. Honestly, if I see a red-haired person with blue eyes now, I say, 'Is your granny black?'](https://sms4smile.com/quotes/grace-jones/human-beings-should-stick-together-honestly-if-i-see-a-red-haired/) [Grace Jones](https://sms4smile.com/quotes/author/grace-jones/) > [The Louvre! The Louvre has me in its clutches. Every time I'm there rich blessings rain down upon me. I am coming to understand…](https://sms4smile.com/quotes/paula-modersohn-becker/the-louvre-the-louvre-has-me-in-its-clutches-every-time-i-m-there/) [Paula Modersohn-Becker](https://sms4smile.com/quotes/author/paula-modersohn-becker/) > [We live in a state with a wonderful climate and plenty of natural beauty, from the shores of Cumberland Island to the Chattahoochee River…](https://sms4smile.com/quotes/roy-barnes/we-live-in-a-state-with-a-wonderful-climate-and-plenty-of-natural/) [Roy Barnes](https://sms4smile.com/quotes/author/roy-barnes/) > [I had never done anything with blue screen before, or prosthetics, or anything like that. Lord of the Rings was like stepping into a…](https://sms4smile.com/quotes/cate-blanchett/i-had-never-done-anything-with-blue-screen-before-or-prosthetics-or/) [Cate Blanchett](https://sms4smile.com/quotes/author/cate-blanchett/) > [UN peacekeeping operations are now increasingly complex and multi-dimensional, going beyond monitoring a ceasefire to actually bringing failed States back to life, often after…](https://sms4smile.com/quotes/kofi-annan/un-peacekeeping-operations-are-now-increasingly-complex-and-multi/) [Kofi Annan](https://sms4smile.com/quotes/author/kofi-annan/) > [Mother, she likes the blue material just fine.](https://sms4smile.com/quotes/ron-white/mother-she-likes-the-blue-material-just-fine/) [Ron White](https://sms4smile.com/quotes/author/ron-white/) > [You know, I'm the only one in this family who has no problems, . . . And you know why? Because any time I'm…](https://sms4smile.com/quotes/anonymous/you-know-i-m-the-only-one-in-this-family-who-has-no-problems-and-you/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [it'll be this kind of deep blue”she said. “The kind of color that somehow sucks your eyes and your ears and all your words…](https://sms4smile.com/quotes/banana-yoshimoto/it-ll-be-this-kind-of-deep-blue-she-said-the-kind-of-color-that/) [Banana Yoshimoto](https://sms4smile.com/quotes/author/banana-yoshimoto/) > [It is moonlight. Alone in the silence I ascend my stairs once more, While waves remote in pale blue starlight Crash on a white…](https://sms4smile.com/quotes/conrad-aiken/it-is-moonlight-alone-in-the-silence-i-ascend-my-stairs-once-more/) [Conrad Aiken](https://sms4smile.com/quotes/author/conrad-aiken/) > [The grape Hyacinth is the favorite spring flower of my garden - but no! I though a minute ago the Scilla was! and what…](https://sms4smile.com/quotes/alice-morse-earle/the-grape-hyacinth-is-the-favorite-spring-flower-of-my-garden-but-no/) [Alice Morse Earle](https://sms4smile.com/quotes/author/alice-morse-earle/) > [I swam with my first shark in the 1980s. I was 20 miles off the coast of Rhode Island, working with a group of…](https://sms4smile.com/quotes/brian-skerry/i-swam-with-my-first-shark-in-the-1980s-i-was-20-miles-off-the-coast/) [Brian Skerry](https://sms4smile.com/quotes/author/brian-skerry/) [Browse all 3,452 Blue quotes ](https://sms4smile.com/quotes/about/blue/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "The blue light emanating from our cell phones, our tablets and our laptops is playing havoc on our brain chemicals: our serotonin, our melatonin. It's screwing up our sleep patterns, our happiness, our appetites, our carbohydrate cravings.", "creator": { "@type": "Person", "name": "Harley Pasternak" }, "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "url": "https://sms4smile.com/quotes/harley-pasternak/the-blue-light-emanating-from-our-cell-phones-our-tablets-and-our/", "about": { "@type": "Thing", "name": "Blue" }, "@id": "https://sms4smile.com/quotes/harley-pasternak/the-blue-light-emanating-from-our-cell-phones-our-tablets-and-our/#quotation", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/84c/harley-pasternak-5369_blue_the-blue-light-emanating-from-our-cell-p_591609.jpg", "contentUrl": "https://sms4smile.com/quotes/i/84c/harley-pasternak-5369_blue_the-blue-light-emanating-from-our-cell-p_591609.jpg", "url": "https://sms4smile.com/quotes/i/84c/harley-pasternak-5369_blue_the-blue-light-emanating-from-our-cell-p_591609.jpg", "width": 1080, "height": 1080, "caption": "“The blue light emanating from our cell phones, our tablets and our laptops is playing havoc on our brain…” — Harley Pasternak", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } }, { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://sms4smile.com/" }, { "@type": "ListItem", "position": 2, "name": "Quotes", "item": "https://sms4smile.com/quotes/" }, { "@type": "ListItem", "position": 3, "name": "Harley Pasternak", "item": "https://sms4smile.com/quotes/author/harley-pasternak/" }, { "@type": "ListItem", "position": 4, "name": "The blue light emanating from our...", "item": "https://sms4smile.com/quotes/harley-pasternak/the-blue-light-emanating-from-our-cell-phones-our-tablets-and-our/" } ], "@id": "https://sms4smile.com/quotes/harley-pasternak/the-blue-light-emanating-from-our-cell-phones-our-tablets-and-our/#breadcrumb" }, { "@type": "WebSite", "@id": "https://sms4smile.com/quotes/#website", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "publisher": { "@id": "https://sms4smile.com/quotes/#organization" } }, { "@type": "Organization", "@id": "https://sms4smile.com/quotes/#organization", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "logo": { "@type": "ImageObject", "url": "https://sms4smile.com/quotes/wp-content/themes/sq/assets/icons/icon-512.png", "width": 512, "height": 512 } } ] } ```