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Internet Addiction

A Slight Reduction in Phone Use Can Have Surprising Effects

How brief “digital detoxes” can improve attention and well-being.

Key points

  • Constant mobile internet use has a range of serious problematic effects on attention and mental health.
  • Recent research finds that short breaks in smartphone use can make measurable positive differences.
  • Much of the damage caused by addictive engagement with smartphones may be repaired in as little as two weeks.
Yurii Maslak/Shutterstock
Source: Yurii Maslak/Shutterstock

It’s long been known that social media technology and the platforms that support it have significant addictive qualities. These include obsessive thoughts, compulsive engagement, progressively increased use and involvement, decreased connection with family and in-person friends, reduced school (and sometimes work) performance, fragmented attention, increased anxiety, depression, and feelings of isolation, low self-esteem, reduced sleep quality, and higher perceived stress.1

On March 24, 2026, a New Mexico jury found Meta, the parent company of Facebook, Instagram, and WhatsApp, liable for misleading users about the safety of its platforms and failing to protect minors from sexual exploitation and harmful content, imposing a $375 million penalty. The jury determined that Meta prioritized profits over child safety, engaging in "unconscionable" trade practices and concealing known risks from the public.

The next day, on March 25, in California, a young woman who argued that the addictive effects of social media had caused her substantial harm was awarded $6 million after a jury found Meta and Google, the parent company of YouTube, liable. The ruling reflects a growing recognition that constant connectivity doesn’t just shape behavior; it often comes with serious psychological and functional costs. These verdicts mark a tipping point in the effort to hold big tech companies accountable for products that appear to be deliberately designed to be addictive.

Research on Phones and Addictive Engagement

However, recent research is beginning to focus less on the damage such technology can cause and more on whether and how it can be mitigated. In one of the largest studies to date, published in PNAS Nexus, 467 people were tracked over 14 days while using the commercially available app, Freedom, to block internet access on their phones. Calls and texts were still allowed, but other apps, online browsing, and social media were removed.

Participants cut their daily screen time nearly in half—dropping from more than five hours to just under three. By the end of the two weeks, they showed measurable improvements in sustained attention, mental health, and overall well-being. Reductions in depressive symptoms were larger than what is typically seen with antidepressant medication and comparable to outcomes from cognitive behavioral therapy. The improvements in focus were particularly notable—approximately equivalent to reversing about a decade of age-related cognitive decline.2

In other words, cutting back on the availability of continuous digital stimulation didn’t just prevent further harm; it actually appeared to reverse some of it. What makes these results even more striking is how little intervention was required. Participants didn’t have to be abstinent from technology. They simply temporarily gave up access to the most obsessive-compulsive element: constant mobile internet access.

Notably, this research differentiates between internet use on smartphones versus computers (whether laptop or desktop), with phones being much more problematic in terms of addictive engagement. Habit-formation research indicates that smartphone use is more automatic and context-dependent than computer use, making it considerably more addictive and challenging to limit.3

Because phones are always within reach, beckoning us seductively, their all-too-easy accessibility tends to fragment attention throughout the day across all manner of experiences. Smartphone use interferes with present-centeredness, disrupting moments in which we would otherwise be fully engaged, including conversations, meals, or even while watching television. One widely cited study demonstrated that the mere presence of a smartphone can reduce available cognitive capacity, effectively draining attention and reducing mental bandwidth.4

This ongoing partial attention comes at a steep cost. Even brief distractions that divert our attention and hold it captive can reduce the quality of real-world experiences, making them feel less satisfying. Moreover, because we are literally not paying genuine attention, we can’t help but be less skillful at whatever we’re doing.

Short Breaks From Smartphones Still Prove Beneficial

Importantly, in the PNAS Nexus study, even participants who didn’t fully follow the restrictions and broke the “rules” after only a few days still showed improvements. And in follow-up reports after the two weeks, many reported that the positive effects lingered. The bottom line: The “perfect” need not be the enemy of the “good” in that every increment of healthy improvement makes a meaningful difference.

Other research confirms these results. A Harvard study published in November 2025 in JAMA Network Open of nearly 400 people found that even a short break from smartphone use—reducing social media use by an hour a day for one week or stepping away from just Facebook and Instagram—can make a measurable difference. After just one week of reduced smartphone use, participants reported substantial decreases in depression (24.8 percent), anxiety (16.1 percent), and insomnia (14.5 percent).5

Clearly, many people (including myself) have at least a somewhat unhealthy relationship with their smartphones. The emerging research shows that even a relatively short and partial digital detox, such as blocking social media for a few hours or restricting mobile internet for certain periods during the day or on particular days of the week, appears to make a meaningful and beneficial difference.

With this new research, there’s reason to believe that some of that damage caused by addictive engagement with smartphones can be repaired, and it may take as little as two weeks. The solution is surprisingly simple—give yourself a break.

Copyright 2026 Dan Mager, LCSW

References

[1] Ventriglio A, Ricci F, Torales J, Castaldelli-Maia JM, Bener A, Smith A, Liebrenz M. Social media use and emerging mental health issues. Ind Psychiatry J. 2024 Aug;33(Suppl 1):S261-S264. doi: 10.4103/ipj.ipj_45_24. Epub 2024 May 23. PMID: 39534117; PMCID: PMC11553625.

[2] Noah Castelo, Kostadin Kushlev, Adrian F Ward, Michael Esterman, Peter B Reiner, Blocking mobile internet on smartphones improves sustained attention, mental health, and subjective well-being, PNAS Nexus, Volume 4, Issue 2, February 2025, pgaf017, https://doi.org/10.1093/pnasnexus/pgaf017

[3] Oulasvirta, A., Rattenbury, T., Ma, L. et al. Habits make smartphone use more pervasive. Pers Ubiquit Comput 16, 105–114 (2012). https://doi.org/10.1007/s00779-011-0412-2

[4] https://www.journals.uchicago.edu/doi/10.1086/691462

[5] Calvert E, Cipriani M, Dwyer B, et al. Social Media Detox and Youth Mental Health. JAMA Netw Open. 2025;8(11):e2545245. doi:10.1001/jamanetworkopen.2025.45245

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