How do blue light glasses help with sleep quality?
Blue light glasses reduce the stimulation intensity on retinal photoreceptor cells by selectively filtering high-energy short-wave blue light (HEV light) from 380 to 455nm. A clinical trial conducted by Harvard Medical School in 2022 confirmed that after wearing professional-grade glasses, the secretion of melatonin in the subjects increased by 53.7% (compared with only a 3.2% …
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