Morning daylight exposure tied to a good night’s sleep

Workers who are exposed to sunlight or bright indoor lights during the morning hours sleep better at night and tend to feel less depressed and stressed than those who don’t get much morning light, according to a recent study.

Exposure to more light during the day and less light at night is critical for healthy sleep patterns because it helps to calibrate the body’s internal “circadian” clock, the study team writes in the journal Sleep Health.

The results suggest that in office environments, being exposed either to daylight or electric lights that are rich in short wave “blue . . .

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