Exposure to blue light in the evening can suppress melatonin production, a hormone that regulates sleep-wake cycles.By blocking blue light, these glasses may help improve sleep quality:
A study involving 20 adults found that wearing blue-blocking glasses three hours before bedtime significantly improved sleep quality and mood compared to a control group.Wikipedia+2Sleep.com+2Mayo Clinic Health System+2
Another trial with individuals suffering from insomnia showed that using blue-light-blocking glasses for two hours before bed enhanced sleep time, quality, and soundness compared to clear placebo lenses.
