I'm a partner in http://yuvututube.fun/ yuvutu videos The scientists believe that high levels of artificial light in the evening may be disturbing some peoples' natural sleep cycles by influencing the production of melatonin, a chemical messenger in the brain that helps to controls the biological clock.
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I'm a partner in http://yuvututube.fun/ yuvutu videos The scientists believe that high levels of artificial light in the evening may be disturbing some peoples' natural sleep cycles by influencing the production of melatonin, a chemical messenger in the brain that helps to controls the biological clock.
Author: Kelley
Date: 7/25/2019