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Updated : 7 years, 3 months ago IST
Washington D.C. [USA], Dec 1 (ANI): Artificial, outdoor light exposure at night is linked to insomnia in older adults, according to a study.
Updated : 8 years ago IST
Washington D.C. [U.S.A.], Mar. 06 (ANI): Turns out, preschoolers exposed to nighttime light tend to sleep lesser.