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Overview

Today we know that optimizing daylight as a light source in school buildings improves students’ academic performance. To enhance students’ cognitive functions, sustainability officers and architects should provide illuminance recommendations that maximize natural daylight.

Key Facts

  • Students with the most daylight in their classrooms progressed 20% faster on math tests and 26% faster on reading tests.
  • Our circadian rhythm operates on a 24-hour cycle that controls our physiology—not only sleep and wakefulness but many physical, mental and behavioral functions as well.
  • Short-wavelength light increases alertness by suppressing melatonin production.
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