Early morning sunlight provides different health benefits than evening sunlight
the verdict
SUPPORTED
the evidence backs this
confidence 93/100
Early morning sunlight and evening sunlight have distinct physiological effects on humans, largely because light exposure at different times of day elicits divergent responses from the circadian system and melatonin regulation.
Evidence for · 3
Effects of light on human circadian rhythms, sleep and mood
2019 · cited by 671
Discusses how morning light and evening light exert different physiological and psychological effects on human circadian rhythms, sleep, and mood.
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More for · 2
Systematic review of light exposure impact on human circadian rhythm
2018 · cited by 466
Demonstrates that light exposure timing (morning vs. evening) differentially affects circadian phase positioning and melatonin regulation.
Protecting the Melatonin Rhythm through Circadian Healthy Light Exposure
2014 · cited by 226
Points out that the biological impacts of light, such as blue light exposure, vary markedly depending on whether they occur during the day or at night.