News Release

New Swansea University research shows reducing social media use by just 15 minutes a day can improve your health

Peer-Reviewed Publication

Swansea University

New research from Swansea University shows that reducing social media use by 15 minutes a day can significantly improve general health and immune function and reduce levels of loneliness and depression.

The study, published in the Journal of Technology in Behavior Science, was conducted by Professor Phil Reed, Tegan Fowkes, and Mariam Khela from Swansea University’s Faculty of Medicine and Health Sciences.

Over three months, the team examined the effects on physical health and psychological functioning of getting people to reduce their social media usage by 15 minutes a day.

The outcomes were compared to groups that were not asked to reduce their usage or were explicitly asked to do something other than social media during those 15 minutes.

50 participants (33 female and 17 male), aged 20-25, answered monthly questions about their health and psychological function and also provided weekly reports on their social media usage.

The results showed that the group asked to reduce their social media use had an average 15% improvement in immune function, including fewer colds, flu, warts, and verrucae, a 50% improvement in sleep quality, and 30% fewer depressive symptoms. These improvements were significantly greater than that experienced by the other two groups, neither of which showed any changes in those measures.

Those instructed to reduce their usage ended up doing so by about 40 minutes a day, rather than the 15 minutes requested, whereas there was a daily 10-minute increase for the group asked not to do anything. Strikingly, the group specifically asked to do something other than social media increased their usage by around 25 minutes a day.

Whilst previous studies have noted a correlation between reduced social media usage and improvements in psychological well-being, this new report is important in that it shows an experimentally-controlled relationship, which suggests a causal relationship between social media reduction and improved physical health.

Professor Phil Reed, from Swansea University’s School of Psychology, said: “These data demonstrate that, when people reduce their social media use, their lives can improve in many ways – including benefits for their physical health and psychological well-being.”

“It remains to be established whether the relationship between social media use and health factors is a direct one, or whether changes in well-being variables, such as depression, or other factors, such as an increase in physical activity, mediate it.”

Professor Reed added: “That the group asked to reduce their usage and do something different did not show these benefits suggests that campaigns to make people healthier could avoid telling people how to use their time. They can resent it. Instead, give them the facts, and let them deal with how they make the reduction, rather than telling them to do something more useful – it may not be effective.”  



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When reporting this story, please use Swansea University hyperlinks.

Founded in 1920, Swansea University is a world-class, research-led, dual campus university offering an exceptional student experience to more than 22,000 students. The University celebrated its centenary in 2020 and commemorative events to mark the occasion will continue in 2021. The 2014 Research Excellence Framework ranked Swansea University 26th in the UK for research excellence, and in 2018 the University achieved a gold rating in the Teaching Excellence Framework (TEF). Swansea is a UK top 25 institution, having climbed to 24th the Guardian University Guide 2021, and was ranked 6th for overall student satisfaction in the National Student Survey 2020. Swansea currently offers around 450 undergraduate courses and 350 postgraduate courses.

Swansea University is a registered charity. No. 1138342.

For more information, please contact Ffion White, Swansea University Press Office Call 01792 602706 or Email:

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