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phones, tablets, and computers that we put just a foot or two from our eyes—
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one of the world’s leading chronobiologists told me it was true.) This blue light
is similar to the light from the sun. When we view it, our bodies believe it’s
daytime and don’t produce melatonin, a chemical that helps it fall asleep. Some
people have a stronger response to blue light than others.
What can you do about blue light? Most computers and mobile devices have a
setting that reduces or eliminates blue light between hours that you determine.
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sunlight helps keep the body on an appropriate sleep schedule.
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more about your sleep patterns. What time do you get into bed? What time do
you fall asleep? How often do you wake up during the night? When do you get
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include sleep tracking, Apple Watches excepted.