@DrParulSharma1 @varnityadav Isn't the point of bluelight protection to avoid the effects of screens on circadian rhythm? I know it's often sold falsely as "eye protection" but there is research on bluelight's effect on sleep cycle. https://t.co/1bObDe17I9
Systematic review of light exposure impact on human circadian rhythm.
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Mar 2019 – Dec 2025Where it's discussed
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News156 articles
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AI synopsis
What people are saying
The discussions often revolve around the negative effects of blue light on melatonin levels and sleep quality. For instance, users highlight how blue light can disrupt melatonin production, with one post stating it can suppress melatonin in just two hours. Phrases like 'avoid screens before bed' and mentions of 'blue blocking glasses' show a proactive approach to this issue and convey urgency in addressing the potential health consequences, showcasing a tone of concern and awareness. Additionally, the mention of studies with small sample sizes raises skepticism about the generalizability of some findings, suggesting a need for further nuanced discussions.
Many discussions align with the findings of the review, acknowledging the importance of light exposure on circadian rhythms.
Participants express strong interest in the implications of light exposure on health, with numerous comments about the effects of blue light.
While some posts share insights, others pose questions and debates about the validity and details of the review's findings.
The consensus is that users believe the publication could significantly influence public understanding of light exposure and health.
Abstract in brief
- The review highlights the crucial role of light exposure in shaping human circadian rhythms and points to concerns about the negative health and environmental impacts of artificial light.
- A systematic review of existing studies was necessary due to the varied methods used in individual research, which complicates understanding the overall effects of light on circadian rhythms.
- The literature search revealed 128 relevant articles, mainly focusing on melatonin secretion and REM sleep, with a noted lack of studies on children and the elderly, and many studies employing very small sample sizes.
Top posts
Most liked on X and Bluesky4. Evite exposição a luz azul (telas de celular e computador, p.ex.) pelo menos 1 hora antes de ir para a cama (ler um livro pode ser uma boa opção para isso). https://t.co/2rKOB3Uuls ⬇️
Systematic review of light exposure impact on human circadian rhythm https://t.co/zEKmz54z0x Full link to paper: https://t.co/M9QvdweuDW https://t.co/idvA775DSR
Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
Light exposure at night & morning affected circadian phase of #melatonin levels. Even longest wavelengths (631 nm, red) and low lux light while sleeping with eyes closed induced circadian resetting responses.... https://t.co/g26ttFVkcl
low light levels (5-10 lux) at night when sleeping with eyes closed induced a circadian response. https://t.co/aWljBQ5eP5
All mentions
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@tipstonga @majogm https://t.co/iCU41a5D7V https://t.co/SmQt1r0JW9
Systematic review of light exposure impact on human circadian rhythm - PubMed https://t.co/ZpgCA3s1Sc
https://t.co/bpIrSuXlQK
..... https://t.co/g26ttGcVAV
@DenesRoman @obradam ještě zdroj k té citaci: https://t.co/zQEpZjVKfV
LUCI BLU OVUNQUE UN PROBLEMA SOCIALE IMMANE DI CUI NESSUNO PARLA... https://t.co/mq63rGVDcY https://t.co/F8AvMI705Q
RT @EddieRDMD: Blue light from screens can reduce melatonin in just 2 hours, potentially leading to aging, inflammation, mood issues, and m…
Blue light from screens can reduce melatonin in just 2 hours, potentially leading to aging, inflammation, mood issues, and more. Avoid caffeine and protect your health with night mode or blue-blocking glasses. #BlueLightHealth https://t.co/OHxtcHSfjV @AleSomnologa https://t.co/H7PXbmg8L3
@AndyJScott @keccers Exposure actually recovers rather quickly so if you work out and are generally healthy + have a good secretion of melatonin, your levels will bounce back after blue light exposure within 15-30 minutes https://t.co/XsO3P24OrO https://t.co/JJ8mRoES5q
@EmilioRey @Avivir @ConchiLillo @padreoms @Perestupinya ¿ Fuente de esa demostración? He buscado eso que dices, y he encontrado esto, https://t.co/vnBdUy5T6Q, que dice que no hay evidencia, y este: https://t.co/zVNbBcuXbu, que dice que es un tema de intensidad y no de color. ¿Cuáles son tus fuentes?
Systematic review of light exposure impact on human circadian rhythm https://t.co/od7dToTYte
Rule 1 - 3: Humans are evolved to be diurnal creatures (active during the day). But with artificial light, especially at night, you disrupt melatonin production, leading to less quality sleep at night. https://t.co/kN95rnSez3 https://t.co/Y0ipJjYjZN
RT @Grimhood: Systematic review of light exposure impact on human circadian rhythm https://t.co/zEKmz54z0x Full link to paper: https://t.c…
@hubermanlab @grey_ae https://t.co/tekP1CoOLC
@SarasvuoJari Pääasiallinen syy melatoniinin määrän laskuun elimistöissä on mahdollisen ruokavalion ohella auringonvalon puute, korkeampi stressitaso, ensisijaisesti sininen kylmä valo kotien lampuissa, mobiililaitteiden & tietokoneiden näytöissä: estää synteesin. https://t.co/uLvWZ7CrsV
@NayMacedoPsi https://t.co/j35ewa6AUh https://t.co/CHdpqQJ6sk. https://t.co/Kxi4fMdUHD
Evidencia científica: * Earthing: https://t.co/xTlOFylmRM https://t.co/T0blhaqt23 * Efectos de la luz: https://t.co/A8VRhfwheF https://t.co/wwRo1rl8ln https://t.co/g4cuy0UKUi
FYI. General info about #lightpollution + effect on #circadianrhythm <https://t.co/WKMD7PMdYH, https://t.co/ntXz35Vydz, https://t.co/b8agXwfkcg.> Example: outdoor public area <https://t.co/5kr6CCLjuI> & parking garage <https://t.co/cmucLsUshc> HT @IDADarkSky #nightsky #stargazing https://t.co/CxZA5lQoC0
RT @BlueLightDiet: low light levels (5-10 lux) at night when sleeping with eyes closed induced a circadian response. https://t.co/aWljBQ5eP5
RT @BlueLightDiet: low light levels (5-10 lux) at night when sleeping with eyes closed induced a circadian response. https://t.co/aWljBQ5eP5
low light levels (5-10 lux) at night when sleeping with eyes closed induced a circadian response. https://t.co/aWljBQ5eP5
@caralhonath caralho nao so mandei o link quebrado mas mandei o link errado eu como merda krl https://t.co/k5uJ0aN8FV https://t.co/qxbnPxXWk2
Lighting that reduce #lightpollution <-https://t.co/WKMD7PMdYH, -https://t.co/ypSK3dXZo6, -https://t.co/MUaZrPqvmC,> lower effect on #circadianrhythm, #nightsky: outdoor public areas <https://t.co/9fP6ElzQQi> & parking garages <https://t.co/cmucLsUshc> HT @IDADarkSky #BuyAmerican https://t.co/CqwBtv1KCA
RT @BlueLightDiet: You want to aim for the lowest LUX possible. You'll get used to it. Most people's nighttime lighting is greater than 50…
RT @BlueLightDiet: You want to aim for the lowest LUX possible. You'll get used to it. Most people's nighttime lighting is greater than 50…
You want to aim for the lowest LUX possible. You'll get used to it. Most people's nighttime lighting is greater than 50 lux & even 5-10 lux has shown negative health consequences. Remember the moon is usually less than ONE lux. BRIGHT DAYS, DARK NIGHTS https://t.co/5IvM4SGA7n
RT @AlessandroLoio2: 4. Evite exposição a luz azul (telas de celular e computador, p.ex.) pelo menos 1 hora antes de ir para a cama (ler um…
4. Evite exposição a luz azul (telas de celular e computador, p.ex.) pelo menos 1 hora antes de ir para a cama (ler um livro pode ser uma boa opção para isso). https://t.co/2rKOB3Uuls ⬇️
@DaveCash0527 @waitbutwhy https://t.co/ASTvhcoSHE There is tons of info on pubmed if you wish to read and learn. Here is one study out of hundreds. I anticipate a rebuttal with no supporting evidence. I know what you’re getting at and I agree most studies are funded by biased companies. But it’s true.
RT @Grimhood: Systematic review of light exposure impact on human circadian rhythm https://t.co/zEKmz54z0x Full link to paper: https://t.c…
@elonmusk https://t.co/9HyicsEv4z
@elonmusk Not looking at screens (phone, laptop, tv) 1-2h before bed is also to consider. Blue light suppresses the body’s release of melatonin8, a hormone that makes us feel drowsy. This messes up our circadian rythms. https://t.co/kCyZIxmL15 https://t.co/9HyicsEv4z
RT @Grimhood: Systematic review of light exposure impact on human circadian rhythm https://t.co/zEKmz54z0x Full link to paper: https://t.c…
@alfando_sr @Fact Pernah baca salah satunya ini mas : Tähkämö, L., Partonen, T., & Pesonen, A. K. (2019). Systematic review of light exposure impact on human circadian rhythm. Chronobiology international, 36(2), 151-170.
7) Kırmızı ışık uyku hormonu melatonin’in salgılanmasını en az baskılayan ışıktır. https://t.co/DQRRHNwBGp
1) Yapay ışık kaynaklarının bolca içerdiği mavi ışık uyku hormonu melatonin’in salgılanmasını baskılar. https://t.co/DQRRHNwBGp
RT @Grimhood: Systematic review of light exposure impact on human circadian rhythm https://t.co/zEKmz54z0x Full link to paper: https://t.c…
RT @Grimhood: Systematic review of light exposure impact on human circadian rhythm https://t.co/zEKmz54z0x Full link to paper: https://t.c…
RT @Grimhood: Systematic review of light exposure impact on human circadian rhythm https://t.co/zEKmz54z0x Full link to paper: https://t.c…
RT @Grimhood: Systematic review of light exposure impact on human circadian rhythm https://t.co/zEKmz54z0x Full link to paper: https://t.c…
Systematic review of light exposure impact on human circadian rhythm https://t.co/zEKmz54z0x Full link to paper: https://t.co/M9QvdweuDW https://t.co/idvA775DSR
RT @ajiteshgogoi: @DrParulSharma1 @varnityadav Isn't the point of bluelight protection to avoid the effects of screens on circadian rhythm?…
RT @ajiteshgogoi: @DrParulSharma1 @varnityadav Isn't the point of bluelight protection to avoid the effects of screens on circadian rhythm?…
RT @ajiteshgogoi: @DrParulSharma1 @varnityadav Isn't the point of bluelight protection to avoid the effects of screens on circadian rhythm?…
RT @ajiteshgogoi: @DrParulSharma1 @varnityadav Isn't the point of bluelight protection to avoid the effects of screens on circadian rhythm?…
@DrParulSharma1 @varnityadav Isn't the point of bluelight protection to avoid the effects of screens on circadian rhythm? I know it's often sold falsely as "eye protection" but there is research on bluelight's effect on sleep cycle. https://t.co/1bObDe17I9
@Fago_lambda @ConchiLillo Nono, no tengo ninguna cruzada contra la luz azul, de hecho, en esta revisión del 2019 ( https://t.co/kUAUJAW41J ) hablan justamente de ello y de las limitaciones que tiene muchos de los estudios (limitación del tamaño de la muestra), pero si podría ayudar al ritmo circadiano
How does light exposure affect circadian rhythms and sleep cycles? This review article provides an analysis of many studies exploring the effects of different wavelengths and durations of light exposure on sleep. I was curious about blue vs. red-orange: https://t.co/zvQK9y1VlE
@Doctor_Zhivaga @SandraNi77 @EyeSewing @HyperOpa @Landurologe Hmm, so systematic Review hier anbei https://t.co/lmVcbdGkXJ 2hr exposure to blue light (460nm) surpesses melatonin with maximum wl 424nm. Heist für mich es hat einen Einfluss
光曝露が概日リズムへ及ぼす影響についてのレビュー(1) に紹介されていた論文(2) が面白そうだけど読めなくて残念な現在。(1)に記されていた範囲で内容を紹介すると(続く) 1.https://t.co/kdcTH84qhW 2.https://t.co/tkfoWGvHMR
@violentfemboy @PaulSkallas https://t.co/qep8bSNfYk
RT @bluelightdiet: even the longest wavelengths (631 nm, red) and intermittent light exposures induced circadian resetting responses, and e…
Systematic review of light exposure impact on human circadian rhythm https://t.co/qvh3BYKy6A
RT @bluelightdiet: even the longest wavelengths (631 nm, red) and intermittent light exposures induced circadian resetting responses, and e…
even the longest wavelengths (631 nm, red) and intermittent light exposures induced circadian resetting responses, and exposure to low light levels (5–10 lux) at night when sleeping with eyes closed induced a circadian response https://t.co/g26ttFVkcl
@MolaSaber Esta es una revisión sistemática más reciente: https://t.co/PWy7uSfLPk
Googling around led me to this review of 128 studies https://t.co/RZLLlRBIV5 which is a pretty good window into what science often looks like, for better and worse. At root, there's a seemingly-now-classic study that measured melatonin levels in saliva vs. light wavelength
@gruber @daringfireball https://t.co/XjRKdrprkD
Systematic review of light exposure impact on human circadian rhythm https://t.co/qvh3BYKy6A
Light exposure at night & morning affected circadian phase of #melatonin levels. Even longest wavelengths (631 nm, red) and low lux light while sleeping with eyes closed induced circadian resetting responses.... https://t.co/g26ttFVkcl
Melatonin secretion recovers within 15 minutes of ending blue light exposure. So you only need to block it out for the last hour or two before bed. https://t.co/NH2nFXEkrI
@4E4F524D414E @MichaelYeadon3 @YouTube https://t.co/LCldCtaszu
@EmmaK_Ho You are on the right track! But it isn't only BLUE light, but ANY light! https://t.co/nwffelOwwl Travel across timezones definitely can be a factor as well (online competitions still need people in the same area)!
@tylerblack32 Science around blue light and it’s detrimental effects is pretty good. https://t.co/fLEOX9kZg6
Melatonin secretion recovers within 15 minutes of ending blue light exposure. So you only need to block it out for the last hour or two before bed. https://t.co/hgIgbJnCw3
#OpenAccess from Chronobiology International: Systematic review of light exposure impact on human #circadianrhythm https://t.co/hce58MNmQt
RT @ppenttin: Off topic, I got new glasses this summer and the optician convinced me to get blue light filtering lenses. This seems to have…
5lxは確実に影響あるんだろうな。 平城京スタディは3lxだった。 そしてやや微妙なSRではあるけれど↓ https://t.co/FXTYqhU13o メラトニン測定をするときには3lx以下がいいのかなー
Off topic, I got new glasses this summer and the optician convinced me to get blue light filtering lenses. This seems to have improved my sleep quality and I started to wonder about the scientific evidence behind. And look at what I found. Now, g’ night https://t.co/XzRX6M6rII
RT @Mitominder: Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
RT @Mitominder: Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
RT @Mitominder: Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
RT @Mitominder: Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
RT @Mitominder: Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
RT @Mitominder: Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
RT @Mitominder: Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
RT @Mitominder: Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
Systematic review of light exposure impact on human circadian rhythm https://t.co/0WBXtwE46m
RT @GidMK: Firstly, the relationship between blue light and poor health isn't as solid as it's often made out to be If you look at this sy…
Firstly, the relationship between blue light and poor health isn't as solid as it's often made out to be If you look at this systematic review, many of the studies have been conducted on 10 people or fewer! https://t.co/0RW2VZJAqo
RT @Ofurtrunta: Systematic review of light exposure impact on human circadian rhythm https://t.co/cvw05F0KZk
Systematic review of light exposure impact on human circadian rhythm https://t.co/cvw05F0KZk
RT @bluelightdiet: Light exposure and #CircadianRhythm. #bluelight #ALAN #Mitochondria https://t.co/g26ttGcVAV https://t.co/g26ttGcVAV
RT @bluelightdiet: Light exposure and #CircadianRhythm. #bluelight #ALAN #Mitochondria https://t.co/g26ttGcVAV https://t.co/g26ttGcVAV
RT @bluelightdiet: Light exposure and #CircadianRhythm. #bluelight #ALAN #Mitochondria https://t.co/g26ttGcVAV https://t.co/g26ttGcVAV
Light exposure and #CircadianRhythm. #bluelight #ALAN #Mitochondria https://t.co/g26ttGcVAV https://t.co/g26ttGcVAV
#light #bluelight #melatonin #circadianbiology https://t.co/Crm670ePnz https://t.co/gUboz8Zh0O