Light at Night Spoils Sleep and Health
You won’t realize it’s happening, but even moderate light robs you of deep sleep and raises your heart rate
Published in
5 min readMar 14, 2022
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Once upon a time, humans slept in total darkness, save perhaps some bright moonlight or a soothing fire at the cave entrance. After millions of years without light switches, we’re evolutionarily programmed to rely on…
