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Sunday, 28 September 2025

How social media rewires teen sleep patterns

A landmark study identifies age 13 as a critical "digital cliff," where gaining access to social media triggers a significant decline in adolescent well-being by disrupting sleep.

The research found that over 70 percent of 12- and 13-year-olds have a personal device in their bedroom, leading to widespread pre-sleep activities like watching videos (61 percent), texting (46 percent) and checking social media (44 percent).

Sleep is disrupted through two primary mechanisms: the stimulating content and blue light suppress melatonin, while platform features like "streaks" exploit a fear of missing out to prevent disengagement.

The consequences are severe, with fragmented sleep directly linked to a 35 percent increase in depressive symptoms over time, proving social media use predicts later mental health issues.

The problem is exacerbated by demographic disparities and requires sophisticated solutions beyond simple bans, including community programs and safe evening alternatives, to address this public health crisis....<<<Read More>>>...