Have started to believe that when 90% of people say the "circadian" effects of light they mean the "alerting" effects of light, and they are not thinking about daily rhythms at all.
Alerting effects of light.
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Jan 2019 – Nov 2025Where it's discussed
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X / Twitter14 posts
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News8 articles
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YouTube3 videos
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Blogs3 articles
AI synopsis
What people are saying
Overall, discussions emphasize the significance of light in modulating alertness, with posts citing specific studies on its effects on drivers, brain activity, and medical applications. The tone indicates a strong interest in both the scientific findings and potential real-world uses, reflecting a community engaged with advancing applications of light for alertness management.
Most discussions acknowledge the role of light's alerting effects, with some highlighting specific findings, indicating general agreement on its importance.
The posts show high curiosity, especially around applications and effects, such as using light to boost alertness in drivers and studying brain activity.
Participants reference various studies, methods like EEG, and clinical implications, demonstrating active engagement with the research details.
The conversations suggest that understanding light's alerting effects could influence practices in work, health, and safety, indicating a noteworthy impact.
Abstract in brief
- Light has strong nonvisual effects that influence alertness, impacting various biological functions and behavior, but its immediate alerting effects in humans are less studied compared to its role in circadian rhythms.
- Research over the past 20 years has identified specific levels of light exposure, including intensity, duration, timing, and wavelength, that trigger alert responses and how these responses relate to hormonal and brain activity changes.
- Findings from animal studies and potential clinical applications suggest that understanding and harnessing light’s alerting effects could improve lighting design in homes and workplaces to boost alertness and performance.]
Top posts
Most liked on X and BlueskyDiurnal spectral sensitivity of the acute alerting effects of light https://t.co/DjigroDTmr Small sample size used in this paper, but still applies across the board. https://t.co/zaDQg9hDnV
@cmatulisMD @GitaPensaMD @alifeofjoyMD @emupdate @LizSamuels @twilsonferrone Not EM, but did a LOT of nights collecting sleep data for my PhD-if you are going to sleep in the AM when you get home after your shift, wear
Press Releases | LRC Newsroom | LRC Recruiting Nighttime Participants for Paid Study: Investigating the Alerting Effects of Light https://t.co/iWV45lMJSw
LRC Recruiting Participants for Paid Study: Investigating the Alerting Effects of Light at Night https://t.co/jecwI5HuTa
LRC Recruiting Nighttime Participants For Paid Study: Investigating The Alerting Effects Of Light https://t.co/cxCTdqQ2iq
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See our new paper published in Sleep Medicine. This paper shows that alerting effects of Light + Caffeine on mean and SD of lateral lane position were greater than Caffeine in young drivers when driving on a simulator. #sleep #fatiguemanagement #light #c…https://t.co/9b3QoeKqDE
RT @Grimhood: Diurnal spectral sensitivity of the acute alerting effects of light https://t.co/DjigroDTmr Small sample size used in this p…
Diurnal spectral sensitivity of the acute alerting effects of light https://t.co/DjigroDTmr Small sample size used in this paper, but still applies across the board. https://t.co/zaDQg9hDnV
https://t.co/nH2178vFr9 Alerting effects of light in healthy individuals a systematic review and meta-analysis by Yi-Man Mu, Xiao-Dan Huang, Sui Zhu, Zheng-Fang Hu, and Qian Tao of @JinanUniversity, and Kwok-Fai So and Chao-Ran Ren of Nantong University.
https://t.co/1rVI1RtyWc Alerting effects of light in healthy individuals a systematic review and meta-analysis by Yi-Man Mu, Xiao-Dan Huang, Sui Zhu, Zheng-Fang Hu, and Qian Tao of @JinanUniversity, and Kwok-Fai So and Chao-Ran Ren of Nantong University.
The #Lighting Research Center in New York is investigating the alerting effects of #light by measuring brain activities under different light exposures using EEG and through various performance tests done on a computer. https://t.co/poEln0CLHU #lightingnews https://t.co/T66rtLzUR1
@mva_r @sund_rose @owlwoman911_ @_twiceborn_ @hogansgoat2423 @terryatthebeach @Me2189251618 @Matthew22655 @shortshiz69 @CylantJustice @aleeyun_nvaazun @ThomasFines @AltHutch @TWITMO_INMATE @doitqbaby @realDonaldTrump @GenFlynn @BradFitzpatriot @DougieFreshii @FredMer39027021 @paulacblades001 @basedinfidel8 @GreenMike16 @Patriot7231 @MemeSyndicate @TimMerr1tt @joshua_nimmons @meadlynn1 @JustMeLiberty @grabaroot @FederalistNo78 @daisyboca @Qtastic3 @craigsolve @DreamwalkerWC @DaleDholc @donnie_maga @AmericaHasBalls @thelionlogos @RickeyB11595096 @JohnJRa87277002 @Sandfarmer007 @laztar11 @QAnon711 @goodmedicine4us @RainmakerMays @sapiofox @_IAmJackBurton_ @volarconalas In response to light exposure, alertness levels can increase as a result of suppression of melatonin secretion. A linear relationship has been found between alerting effects of light and activation in the posterior hypothalam
@cmatulisMD @GitaPensaMD @alifeofjoyMD @emupdate @LizSamuels @twilsonferrone Not EM, but did a LOT of nights collecting sleep data for my PhD-if you are going to sleep in the AM when you get home after your shift, wear
LRC Recruiting Participants for Paid Study: Investigating the Alerting Effects of Light at Night https://t.co/jecwI5HuTa
LRC Recruiting Nighttime Participants For Paid Study: Investigating The Alerting Effects Of Light https://t.co/cxCTdqQ2iq
RT @herf: Have started to believe that when 90% of people say the "circadian" effects of light they mean the "alerting" effects of light, a…
Have started to believe that when 90% of people say the "circadian" effects of light they mean the "alerting" effects of light, and they are not thinking about daily rhythms at all.
Enough said.... Recruiting: Nighttime Participants for Paid Study Investigating Alerting Effects of Light - Sleep Review https://t.co/S5zgzuukHC
Press Releases | LRC Newsroom | LRC Recruiting Nighttime Participants for Paid Study: Investigating the Alerting Effects of Light https://t.co/iWV45lMJSw
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