STFUSTFU

STFU Science

Brain rot is a meme. The attention problem isn’t.

The papers below. Not a diagnosis. Not a thriller about your neurons. A lock with a bibliography.

What we mean

“Brain rot” is not a diagnosis. Oxford’s 2024 Word of the Year just named a feeling people already had. Under the joke are ordinary, research-backed concerns:

  • compulsive checking
  • fragmented attention
  • late-night scrolling
  • short-form overload
  • sleep that starts too late
  • a reduced sense of control

Research pillars

Attention and inhibitory control

Short-form feeds are built for the next tap. A 2025 Psychological Bulletin meta-analysis on short-form video use found cognitive and mental-health correlates — including attention and inhibitory control — without turning that into a cartoon about fried neurons. Correlation-heavy. Still the right literature for Reels and Shorts.

Compulsive and problematic use

Researchers study “problematic social media use” as a pattern: difficulty stopping, using to escape, conflict with sleep or work. Recent work is clear that salience and tolerance are not enough to call it pathology, and that heavy involvement is not automatically addiction. We do not slap that label on you.

Sleep disruption

Late-night scrolling delays lights-out. An umbrella review of 127 studies (867,003 people) and a 2024 meta-analysis covering 182 studies both keep landing on the same theme: device use, sleep, and well-being travel together. A bedtime lock is a boundary, not a sleep clinic.

Well-being — and what abstinence does not prove

People feel drained after long sessions. Large reviews connect problematic use with worse well-being and sleep. A 2025 meta-analysis of social-media abstinence found no significant effect on positive affect, negative affect, or life satisfaction. Quitting for a week is not a personality transplant. A lock is still a tool.

What restriction studies actually show

Blocking mobile internet on smartphones has improved sustained attention, mental health, and subjective well-being in a 2025 PNAS Nexus trial. Adding friction — the one sec app — cut attempted and actual openings. Those are the closest cousins to STFU. Mixed, often short-term, and they do not make STFU a treatment.

Why STFU exists

If modern apps are engineered to keep you checking, a product that helps create real boundaries can be genuinely useful. That is the whole argument. Not a cure. A lock.

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Citations

Linked to the publisher or DOI. We will add papers. We will not invent them.

  1. Oxford University Press. (2024). “Brain rot” named Oxford Word of the Year 2024.Cultural term only. Not a clinical diagnosis.
  2. Nguyen, L., Walters, J., Paul, S., et al. (2025). “Feeds, feelings, and focus: A systematic review and meta-analysis examining the cognitive and mental health correlates of short-form video use.” Psychological Bulletin, 151(9), 1125–1146. DOI: 10.1037/bul0000498.Flagship short-form video / attention / inhibitory-control review.
  3. Ciudad-Fernández, V., Fournier, L., Escrivá-Martínez, T., et al. (2025). “Salience and tolerance are not indicators of problematic social media use.” Journal of Behavioral Addictions, 14(3), 1380–1393. DOI: 10.1556/2006.2025.00073.Problematic use without overdiagnosis.
  4. Fournier, L., et al. (2023). “Deconstructing the components model of addiction: an illustration through ‘addictive’ use of social media.” Addictive Behaviors, 143, 107694. DOI: 10.1016/j.addbeh.2023.107694.Heavy involvement is not automatically pathology.
  5. Fiore, M., Arena, D., Crisafi, V., et al. (2025). “Digital Devices Use and Sleep in Adolescents: An Umbrella Review.” International Journal of Environmental Research and Public Health, 22(10), 1517. DOI: 10.3390/ijerph22101517.127 studies / 867,003 participants.
  6. Ahmed, O., Walsh, E. I., Dawel, A., et al. (2024). “Social media use, mental health and sleep: A systematic review with meta-analyses.” Journal of Affective Disorders, 367, 701–712. DOI: 10.1016/j.jad.2024.08.193.182 studies; ~1.17M participants in the systematic review.
  7. Castelo, N., Kushlev, K., Ward, A. F., et al. (2025). “Blocking mobile internet on smartphones improves sustained attention, mental health, and subjective well-being.” PNAS Nexus, 4(2), pgaf017. DOI: 10.1093/pnasnexus/pgaf017.Closest intervention study to what STFU actually does.
  8. Grüning, D. J., Riedel, F., & Lorenz-Spreen, P. (2023). “Directing smartphone use through the self-nudge app one sec.” PNAS, 120(8), e2213114120. DOI: 10.1073/pnas.2213114120.Friction reduces attempted and actual app openings.
  9. Lemahieu, L., Vander Zwalmen, Y., Mennes, M., et al. (2025). “The effects of social media abstinence on affective well-being and life satisfaction: a systematic review and meta-analysis.” Scientific Reports, 15, 7581. DOI: 10.1038/s41598-025-90984-3.Null result: no significant effect of abstinence on positive affect, negative affect, or life satisfaction.