**Active night-time tweeting is associated with meaningfully lower mental wellbeing in a UK birth cohort study**

"_We found strong evidence the average hour participants posted Tweets was associated with depressive symptoms, anxiety symptoms, and mental wellbeing. Average hour explained almost 2% of the variation in mental wellbeing, comparable to reports of the impact of binge drinking and exercise._"

Joinson, D., Haworth, C.M.A., Simpson, E. et al. Active night-time tweeting is associated with meaningfully lower mental wellbeing in a UK birth cohort study. Sci Rep 15, 34301 (2025). https://doi.org/10.1038/s41598-025-14745-y.

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