If you have trouble sleeping, limit your use of digital devices hours before bedtime. The blue light may reduce the body’s production of melatonin, a hormone that helps promote sleep. In a recent small study, participants wore special yellow-tinted, bluelight-blocking glasses for four hours before bedtime. After 2 weeks, subjects had a60x increase in their melatonin levels, slept longer and logged better sleep quality. In addition to limiting screen time before bed, try setting devices to night mode or applying blue-light filters to screens. There are also apps that will automatically warm up the color temperature of the screen, based on time zones.
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