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Yep, that headline is pretty on point—there’s some solid science behind it too. Bright light, especially in the blue-white spectrum (like daylight or LED lights), can actually stimulate areas of the brain linked to alertness, mood, and cognitive performance.
Here’s a quick breakdown of what studies have found:
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Boosts alertness: Exposure to bright light can suppress melatonin (the sleep hormone), making you feel more awake and focused—especially helpful in the morning or during an afternoon slump.
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Improves memory and learning: Some studies show enhanced performance on memory and attention tasks after exposure to bright light, likely because it boosts activity in the prefrontal cortex (which handles decision-making and focus).
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Supports circadian rhythms: Regular bright light exposure during the day can help regulate your internal clock, leading to better sleep at night and more energy during the day.
It's one of the reasons why light therapy is used for seasonal affective disorder (SAD) and why schools and workplaces are experimenting with lighting to improve performance.
Want tips on how to use bright light to your advantage while studying or working?
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