PsychologyBMC Medicine

Smartphone screen time reduction improves mental health: a randomized controlled trial

C. Pieh, E. Humer, et al.

A preregistered randomized controlled trial conducted by Christoph Pieh, Elke Humer, Andreas Hoenigi, Julia Schwab, Doris Mayerhofer, Rachel Dale, and Katja Haider found that reducing smartphone screen time to ≤2 hours/day for three weeks improved depressive symptoms, stress, sleep quality, and well-being in healthy students, suggesting a causal link between daily screen time and mental health.... show more

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