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Evening
Residential and other indoor environments should have a
maximum of 10 lux m-EDI vertically at the eye 3 hours before
bedtime. Light is warm in the spectrum, like a candle with no
blue spectrum.
Night
In a sleep environment, a maximum of 1 lux m-EDI at the
eye as we sleep. Ideally, no light, but if the light is required, it
should have no blue spectrum to a maximum 10 lux m-EDI.
m-EDI - Melanopic equivalent daylight illuminance
M E L A N O P S I N
L E S S S E N S I T I V E T O D I M O R A N G E
L I G H T A N D I N T H E H I G H E R
A R E A O F T H E R E T I N A
LOWER BIOLOGICAL EFFECT
Low light, no blue spectrum
From dim orange to darkness
at night
Source: The Ultimate Guide to Circadian Lighting, Jonathan Rush,https://www.tetratech.com/en/
markets/high-performance-buildings/insights/innovation/the-ultimate-guide-to-circadian-lighting
L I G H T & W E L L - B E I N G
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