What role does natural light exposure during the day play in improving sleep? it to regulate circadian rhythm. it discourages napping during the day. it the body absorb vitamins. it prevents depression?

It helps to regulate circadian rhythm

Exposure to natural light during the day helps regulate the circadian rhythm, which improves sleep pattern. The term circadian rhythm refers to our biochemical, physiological and behavioral processes in approximately 1 full day cycle. Circadian rhythm plays an important role in controlling when we fall asleep and when we wake up.

During day light, the secretion of melatonin or sleep hormone is suppress by melanopsin that keeps people awake and alert. Nevertheless, during nighttime, melanopsin stimulates the release of melatonin to signal sleeping time. Therefore, this hormone works the entire day and has direct effect on the circadian rhythm, which acts as a regulator of our biological clock.

the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.

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