Research
Non-Visual Effects of Light on Melatonin, Alertness and Cognitive Performance: Can Blue-Enriched Light Keep Us Alert?
Sarah Laxhmi ChellappaRoland SteinerPeter BlattnerPeter OelhafenThomas GötzChristian Cajochen
Blue-enriched compact fluorescent lamps (6500K) at low intensity (40 lux) significantly suppress melatonin, enhance alertness, and improve sustained attention compared to warmer light sources (2500K, 3000K), indicating a blue-shifted sensitivity of the human alerting and...
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