Smartphone and LED Light Usage Disrupts Menstrual Synchronization with the Full Moon

Posted in

October 4, 2025

Smartphone and LED Light Usage Disrupts Menstrual Synchronization with the Full Moon

Recent research indicates that the use of smartphones and LED lighting may disrupt the synchronization of women’s menstrual cycles with the full moon. This disruption is attributed to the emission of blue light from these devices, which can interfere with melatonin production, a hormone that regulates sleep and reproductive cycles. The study suggests that exposure to artificial light sources, especially during the evening, may alter the natural timing of menstrual cycles, potentially leading to irregularities. Experts recommend minimizing screen time before bedtime and using dim, warm lighting to support natural circadian rhythms and menstrual health.

Original source:

https://biz.chosun.com/en/en-science/2025/10/05/RIMJKWHYAVARFFV3ZEUXLCE4RY/

Smartphone and LED Light Usage Disrupts Menstrual Synchronization with the Full Moon

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