In the Covid-19 era, with its tech-heavy home office setups, nightly video calls, and hours of boredom-induced social media scrolling and Netflix binges, it should come as no surprise that screen time is through the roof. In March, it was reported that smartphone use was up by 70% worldwide, while laptop usage saw a 40% increase.
The health effects of blue light — the type of light emitted from digital screens — has been a hot topic for years. Research has already shown that blue light can disrupt sleep patterns. It is also — although somewhat questionably — linked to…
This story is a part of Elemental Light Week, a five-day series on what light does for your body, brain, and well-being.
Dreaded short-wavelength “blue” light from smartphones and other screens is supposedly creating a generation of sleepless zombies, spurring the creation of “night mode” apps that tamp down cold blue light and infuse smartphone screens with warmer yellows and reds. But as with zombies, some things appear different in the scientific light of day.
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