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Extra Daylight Boosts Health and Well-Being This Spring

3/8/2026

26 5 Full Breakdown

Summary

Story summary

Natural light in spring and summer provides significant physical, mental, and behavioral benefits.
An extra hour of sunlight each day can feel monumental.
Even on cloudy days, natural daylight intensity ranges from 10,000 to 100,000 lux, far exceeding the 100 to 500 lux of artificial lighting found in homes, schools, or offices.

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Story summary

Natural light in spring and summer provides significant physical, mental, and behavioral benefits.
An extra hour of sunlight each day can feel monumental.
Even on cloudy days, natural daylight intensity ranges from 10,000 to 100,000 lux, far exceeding the 100 to 500 lux of artificial lighting found in homes, schools, or offices.