Blue light significantly affects circadian rhythms by suppressing melatonin production, the hormone crucial for sleep regulation. Exposure to blue light, especially in the evening from screens and artificial lighting, tricks the brain into thinking it is still daytime, leading to difficulties in falling asleep and reduced sleep quality[1][5].
To mitigate these effects, individuals can utilize blue light filters on devices, reduce screen time before bed, and employ blue-blocking glasses[4][6]. Creating a routine that limits exposure to blue light in the evening helps maintain a healthy circadian rhythm and improves overall sleep quality[5].
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