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Recommendations published for daytime, evening, and nighttime indoor light exposure using melanopic equivalent daylight illuminance

Brown TM, Brainard GC, Cajochen C, et al. · PLOS Biology · 2022 · 10.1371/journal.pbio.3001571 · Building science · Link only

An expert consensus group recommended a minimum melanopic equivalent daylight illuminance of 250 lux during the day, a maximum of 10 lux in the evening, and a maximum of 1 lux during sleep, noting that supporting evidence derived mainly from laboratory studies in healthy adults.

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An expert consensus group recommended a minimum melanopic equivalent daylight illuminance of 250 lux during the day, a maximum of 10 lux in the evening, and a maximum of 1 lux during sleep, noting that supporting evidence derived mainly from laboratory studies in healthy adults.

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  • Recommendations published for daytime, evening, and nighttime indoor light exposure using melanopic equivalent daylight illuminance · PLOS Biology · Read at the source

Last reviewed September 23, 2026.