Newly discovered neural pathway processes acute light to affect sleep: Different pathways process long-term circadian rhythms and short-term exposure to light

www.sciencedaily.com

Either to check the time or waste time, people often look at their smartphones after waking in the middle of the night. While this acute burst of light does make it more difficult to fall back to sleep, a new study reports that it won't interfere with the body's overall circadian rhythms.

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