Stress, Social Pressure and Holiday Spending: A Research Review

Executive Summary

Research does not show that stress alone causes holiday overspending. Stress changes how people think and take risks, but the direction depends on the task, and no study tested holiday shoppers. Surveys show that many households take on holiday debt and feel social pressure to take part in the season.

Holiday money stress is often treated as a budgeting failure. The research is more nuanced. Stress does change how people think and take risks. Social belonging matters to most people. Surveys show that many households take on holiday debt, and many feel obligated to take part in the season.

The MyMoneyCoach Research Team wrote this review. We read primary sources where we could reach them and tried to say only what each one supports. Much of the brain-science literature comes from animal work, general stress studies or laboratory tasks. Very little of it was done on holiday shoppers. Where we connect that work to holiday spending, we say so, and the connection is our interpretation, not a finding.

The review is educational content. It is not medical, legal or financial advice.

---

Part I: What Stress Does to Thinking and Risk-Taking

1.1 Stress and the prefrontal cortex

Arnsten's 2009 review in Nature Reviews Neuroscience describes how even mild, acute, uncontrollable stress can quickly reduce prefrontal cognitive abilities, such as working memory and the control of impulses.¹ Much of the underlying evidence is from animals. The review is about stress in general, not about money or holidays.

A stressful shopping season could plausibly make careful planning harder. That is an inference. We found no study that measured this in holiday shoppers, so we do not claim the brain "shuts down" while people shop.

1.2 How Does Cortisol Change Risk Preferences?

Kandasamy and colleagues (2014, PNAS) raised cortisol in volunteers over 8 days in a double-blind, placebo-controlled study. The participants became more risk-averse. The weighting of probabilities also became more distorted among men than among women.² The authors suggest that prolonged uncertainty, such as a financial crisis, can lower the appetite for risk.

A meta-analysis of 32 datasets (N = 1,829) found that lab stress shifted decisions under uncertainty slightly toward more reward-seeking and riskier choices (d = .17).³ So the two findings point in different directions, and the careful reading is that stress changes risk-taking, with the direction depending on the task. None of it studied holiday shoppers.

The cortisol study does not show that stress makes people overspend. It points the other way for risk-taking in that task. It also does not show that stress drives "sunk cost" behavior, and we make no such claim.

Coates and Herbert (2008, PNAS) sampled hormones in male traders on a London trading floor. A trader's morning testosterone predicted that day's profit, and cortisol rose with the variance of trading results and with market volatility.⁴ The sample was male professional traders, so it says little about gift shoppers.

1.3 Anticipation and the price of a purchase

In a brain-imaging study, Knutson and colleagues (2007, Neuron) found that product preference activated the nucleus accumbens, while excessive prices activated the insula and reduced activity in the medial prefrontal cortex before a purchase decision. Each region's activity predicted the buying decision beyond self-report.⁵ This was a laboratory task with a small set of products. It supports the idea that wanting and price-pain are both part of buying. It does not show that holiday retail "hijacks" the brain.

1.4 Does Giving Make People Happier?

Dunn, Aknin and Norton (2008, Science) found that spending more on others predicted greater happiness in a national survey and in a field study of windfall spending. Participants randomly assigned to spend money on others were happier than those assigned to spend on themselves.⁶ That supports the idea that giving can feel good. It does not show that giving is a stress-regulation habit, or that it leads to compulsive buying.

1.5 Money worry, distress and shame

In a national U.S. health survey, higher financial worry was associated with higher psychological distress, and the link was stronger for unmarried, unemployed, lower-income and renting adults.⁷ In adults aged 18 to 26 (N = 19,821), high financial stress went with 6.17 times the odds of high psychological distress (95% CI 4.43 to 8.61).⁸ Both are cross-sectional associations, so neither can show which way the effect runs.

Shame about money has its own research. Across six experimental, archival and correlational studies (N = 9,110), shame induced financial withdrawal, which raised the probability of counterproductive financial decisions that deepen hardship. Shame was more strongly tied to hardship than guilt, and affirming acts of kindness reduced the link.⁹ The designs were mixed, so this is a link and not a proven chain. None of the studies was about holiday spending.

What we removed from earlier versions

An earlier version of this paper stated, as fact, a detailed account of how hormones and brain regions produce holiday overspending: dendritic changes in the amygdala, "atrophied" memory of past debt, adrenaline-driven tunnel vision, and "addiction-like" spending. We could not tie those claims to primary studies on holiday or financial behavior, so they are no longer in this paper.

---

Part II: Belonging, Status and Gift Obligation

2.1 The need to belong

Baumeister and Leary (1995) reviewed evidence that the desire for lasting, positive relationships is a fundamental human motivation.¹⁰ It is a reasonable lens for why people feel pressure to give well at the holidays. It is a general theory. It does not show that a missing gift is processed like physical injury, and we do not claim that.

2.2 Group size and social obligation

Dunbar (1998) proposed that primate brain size relates to social group size, with a typical human group of roughly 150.¹¹ Whether a long holiday gift list strains this limit has not been tested, as far as we found. Treat it as a metaphor, not a finding.

2.3 Social comparison

Festinger (1954) proposed that people judge themselves by comparing to others.¹² Many people find that social media makes holiday comparison easier. We did not verify any study that links that comparison to holiday overspending, so we offer it as a hypothesis.

2.4 Money scripts

Klontz and colleagues (2011, Journal of Financial Therapy) developed an inventory of money beliefs in 422 people and identified four patterns: money avoidance, money worship, money status and money vigilance.¹³ The scripts are associated with financial behaviors. The study was a cross-sectional survey, so it cannot show that childhood events caused the scripts. We did not verify that any script specifically predicts holiday spending, so the table that once matched scripts to holiday behavior has been removed.

2.5 Claims without support

We removed earlier statements that attachment style predicts gifting behavior "with high accuracy," that "love language" matching predicts relationship satisfaction, that adverse childhood experiences drive holiday "revenge spending," and that children as young as five accurately detect parental attitudes toward spending. We could not match them to sources that say that.

---

Part III: What Consumer Surveys Show

Survey figures come from commercial polls. They describe the people surveyed at one moment and are not scientific studies.

Holiday debt. A LendingTree survey of 2,049 U.S. consumers (December 2024) found that 36% took on debt during the 2024 holiday season, and that only 44% of those people had planned to. Those who took on debt averaged $1,181.¹⁴

Spending priorities. A 2024 NerdWallet report, based on a Harris Poll survey of over 2,000 U.S. adults, found that 32% of shoppers think it is important to buy gifts and experiences despite the costs, to show others love. Ten percent said they would likely need to use some emergency savings, and 9% said they would put gift buying ahead of paying some regular bills.¹⁵

Obligation and performance. A LifeStance Health survey of 1,023 U.S. adults (October 2025) found that 69% feel at least a little pressure to appear happier than they are during the holidays. Seventy-five percent said at least some planned gatherings feel more like an obligation than something they want to attend, with Gen Z highest at 89%.¹⁶

Black Friday and Cyber Monday. Deloitte's 2024 survey of 1,200 consumers found that 80% planned to shop during the period, with expected average spending of $650.¹⁷

Money stress in general. The American Psychological Association's Stress in America 2014 report (released in 2015) found that 72% of adults felt stressed about money at least some of the time.¹⁸ This is a general figure, not a holiday figure.

We removed an earlier "obligation tax" label and the claim that these numbers reflect the amygdala "defeating" the prefrontal cortex. Surveys do not measure that.

---

Part IV: Money Pressure and Thinking

Mani and colleagues (2013, Science) found that thinking about finances reduced cognitive performance in poor participants but not in well-off ones, and that stress did not explain the effect.¹⁹ The result is disputed. Wicherts and Scholten (2013) said it was not corroborated without splitting income into two groups.²⁰ Carvalho, Meier and Wang (2016) found no before-versus-after-payday difference in cognition or risk taking among low-income U.S. households.²¹ A replication audit by O'Donnell and colleagues (2021, PNAS) reported "considerable variability in the replicability, with some strong successes and other undeniable failures," and its own validity is contested.²² The widely repeated "13 IQ points" figure is press framing, not a measured loss of intelligence. Because the effect was seen in lower-income participants, we do not apply it to the general holiday shopper.

---

Part V: Experiences and Gifts

Van Boven and Gilovich (2003) compared experiential and material purchases and reported that experiences tended to make people happier.²³ Gilovich and Medvec (1995) reported that people regret inactions more over time than actions.²⁴ A gift of time or a shared activity may be a good fit for some budgets. These studies are not about holiday gifts specifically, and effects vary by person and context. We removed a table that listed fixed emotional and memory differences between material and experiential gifts.

---

Part VI: Practices Some People Find Helpful

The practices below are practical ideas. We do not claim that they treat financial stress, and none were tested here on holiday spending.

Slow breathing. In a month-long randomized study, Balban and colleagues (2023, Cell Reports Medicine) compared three five-minute daily breathing practices with mindfulness meditation. Exhale-focused "cyclic sighing" produced a greater improvement in mood and a greater drop in respiratory rate than meditation.²⁵ The study was not about spending. It suggests that a few minutes of slow breathing can be a reasonable stress tool.

A meta-analysis of 24 studies (484 participants) found that heart rate variability biofeedback, which pairs slow, paced breathing with feedback, was associated with a large reduction in self-reported stress and anxiety (Hedges' g = 0.83). The authors said more well-controlled studies are needed.²⁶ A review of 223 studies found that voluntary slow breathing raises vagally mediated heart rate variability.²⁷ These support the practice. They do not support polyvagal explanations, and they did not measure spending.

A pause before buying. A waiting period before non-essential purchases is a common-sense habit. We did not verify research showing that a particular wait length changes spending.

Spending plans and conversations. Setting a gift budget early, agreeing with family on smaller exchanges, and tracking what you spend are ordinary budgeting steps. Financial education research is mixed. Kaiser and colleagues (2022, Journal of Financial Economics) combined 76 randomized trials and found positive effects,²⁸ while Fernandes and colleagues (2014, Management Science) found that education interventions explained only a small share of variation in financial behavior.²⁹ Neither study tested holiday-specific advice.

About polyvagal theory

An earlier version of this paper sorted shoppers into "sympathetic," "dorsal vagal" and "ventral vagal" states and prescribed exercises for each. Polyvagal theory is contested. Grossman (2023, Biological Psychology) argues that its core physiological premises are untenable.³⁰ In 2026, Grossman and 38 co-authors concluded that the theory is untenable.³¹ At most it is a model some practitioners use, and some coaches and therapists still find its language useful as a metaphor. "Glimmers" and "window of tolerance" are practitioner concepts that we found no study testing. We removed the state-by-state claims, the table of "somatic states and financial behaviors," and the assertion that grounding or butterfly-hug exercises move people into a "safe" physiological state.

---

Part VII: Where Sophia Fits In

Sophia is an AI coach. Asked directly, she says she is an AI, not a human coach and not certified. She is not a licensed therapist or financial advisor. Her approach was built on the methods of two certified human life coaches. The About page lists Jennifer, one of the founders, as an EFT and NLP Master Practitioner with clinical hypnotherapy certification and 15+ years of coaching experience. Jennifer's work is not only about money.

A conversation usually opens with a question about what is on the person's mind. Sophia reflects back what she heard before offering guidance, asks how the issue sits in the body, and asks what would feel most supportive. If someone raises a block or something stressful, she asks them to choose between a body-based calming practice first (slow breathing, grounding or tapping) and practical steps now, and she goes with the choice. She remembers earlier sessions, avoids repeating questions and paces the conversation.

Sophia does not give specific investment or product advice, promise financial outcomes, or wave away practical problems with spiritual advice. She stays on money and money mindset. For suicide or self-harm she points to 988 and the Crisis Text Line and says she is a coach, not a crisis counselor.

Sophia's toolkit draws on mindset and somatic traditions, such as tapping (EFT), breathwork, grounding, visualization, affirmations and journaling, plus emotional-intelligence ideas. These are coaching practices, not clinical treatments. Slow breathing has the best support, from heart rate variability biofeedback and slow-breathing meta-analyses, though none tested money outcomes. Tapping and polyvagal-based techniques have limited or contested evidence.

SAMHSA's trauma-informed framework describes how a service is delivered.³² Sophia's design does not implement or claim that framework. Evidence for trauma-informed programs in general is early: 5 of 8 studies with client outcomes found significant improvements, mostly in small before-and-after designs.³³

A review of 15 randomized trials found that AI chatbots reduced depression and distress in mental-health settings, with no significant effect on overall well-being.³⁴ No trial has tested an AI financial coach, and none has tested any coach on holiday spending.

---

Conclusion

The research supports a modest conclusion. Stress, social expectations and money pressure can all make holiday decisions harder, and many households end up with debt they did not plan on. It does not support a claim that the holiday brain is "hijacked," or that a specific nervous-system exercise fixes overspending.

You already know your own money patterns better than any study does. A simple plan made before the season starts, and a conversation with the people you buy for, are reasonable places to begin. If debt or money stress feels unmanageable, a licensed financial professional or counselor can help.

This review is educational and is not medical, legal or financial advice.

---

References

Footnotes

1. Arnsten, A.F.T. (2009). Stress signalling pathways that impair prefrontal cortex structure and function. Nature Reviews Neuroscience, 10(6), 410-422. https://pubmed.ncbi.nlm.nih.gov/19455173/ ↩

2. Kandasamy, N., et al. (2014). Cortisol shifts financial risk preferences. Proceedings of the National Academy of Sciences, 111(9), 3608-3613. doi:10.1073/pnas.1317908111 ↩

3. Starcke, K., & Brand, M. (2016). Effects of stress on decisions under uncertainty: A meta-analysis. Psychological Bulletin, 142(9), 909-933. https://doi.org/10.1037/bul0000060 ↩

4. Coates, J.M. & Herbert, J. (2008). Endogenous steroids and financial risk taking on a London trading floor. Proceedings of the National Academy of Sciences, 105(16), 6167-6172. https://pubmed.ncbi.nlm.nih.gov/18413617/ ↩

5. Knutson, B., Rick, S., Wimmer, G.E., Prelec, D., & Loewenstein, G. (2007). Neural predictors of purchases. Neuron, 53(1), 147-156. https://pubmed.ncbi.nlm.nih.gov/17196537/ ↩

6. Dunn, E.W., Aknin, L.B., & Norton, M.I. (2008). Spending money on others promotes happiness. Science, 319(5870), 1687-1688. doi:10.1126/science.1150952 ↩

7. Ryu, S., & Fan, L. (2023). The relationship between financial worries and psychological distress among U.S. adults. Journal of Family and Economic Issues, 44(1), 16-33. https://pubmed.ncbi.nlm.nih.gov/35125855/ ↩

8. Nasir, A., et al. (2025). Social determinants of financial stress and association with psychological distress among young adults 18-26 years in the United States. Frontiers in Public Health. https://pubmed.ncbi.nlm.nih.gov/39845680/ ↩

9. Gladstone, J. J., Jachimowicz, J. M., Greenberg, A. E., & Galinsky, A. D. (2021). Financial shame spirals: How shame intensifies financial hardship. Organizational Behavior and Human Decision Processes, 167, 42-56. https://doi.org/10.1016/j.obhdp.2021.06.002 ↩

10. Baumeister, R.F. & Leary, M.R. (1995). The need to belong: Desire for interpersonal attachments as a fundamental human motivation. Psychological Bulletin, 117(3), 497-529. doi:10.1037/0033-2909.117.3.497 ↩

11. Dunbar, R.I.M. (1998). The social brain hypothesis. Evolutionary Anthropology, 6(5), 178-190. doi:10.1002/%28sici%291520-6505%281998%296:5%3C178::aid-evan5%3E3.0.co;2-8 ↩

12. Festinger, L. (1954). A theory of social comparison processes. Human Relations, 7(2), 117-140. doi:10.1177/001872675400700202 ↩

13. Klontz, B., Britt, S.L., Mentzer, J., & Klontz, T. (2011). Money beliefs and financial behaviors: Development of the Klontz Money Script Inventory. Journal of Financial Therapy, 2(1), Article 1. doi:10.4148/jft.v2i1.451 ↩

14. LendingTree (2024). Holiday season debt survey (QuestionPro, 2,049 U.S. consumers, Dec. 10-12, 2024). https://www.lendingtree.com/credit-cards/study/holiday-season-debt/ ↩

15. NerdWallet (2024). 2024 Holiday Spending Report (Harris Poll survey of 2,000+ U.S. adults). https://www.nerdwallet.com/finance/studies/2024-holiday-spending-report ↩

16. LifeStance Health (2025). Nearly 7 in 10 Americans feel pressure to appear happier than they are this holiday season (survey of 1,023 U.S. adults, Oct. 16-21, 2025). https://lifestancehealth.gcs-web.com/news-releases/news-release-details/nearly-7-10-americans-feel-pressure-appear-happier-they-are ↩

17. Deloitte (2024). 2024 Black Friday Cyber Monday Survey (1,200 consumers, Oct. 16-24, 2024). https://www.deloitte.com/us/en/about/press-room/deloitte-black-friday-cyber-monday-spending-expected-to-reach-new-highs.html ↩

18. American Psychological Association (2015). Stress in America 2014: Paying with our health. ↩

19. Mani, A., Mullainathan, S., Shafir, E., & Zhao, J. (2013). Poverty impedes cognitive function. Science, 341(6149), 976-980. doi:10.1126/science.1238041 ↩

20. Wicherts, J. M., & Scholten, A. Z. (2013). Comment on "Poverty impedes cognitive function." Science, 342(6163), 1169. https://doi.org/10.1126/science.1246680 ↩

21. Carvalho, L. S., Meier, S., & Wang, S. W. (2016). Poverty and economic decision-making: Evidence from changes in financial resources at payday. American Economic Review, 106(2), 260-284. https://doi.org/10.1257/aer.20140481 ↩

22. O'Donnell, M., et al. (2021). Empirical audit and review and an assessment of evidentiary value in research on the psychological consequences of scarcity. Proceedings of the National Academy of Sciences, 118(44). doi:10.1073/pnas.2103313118 ↩

23. Van Boven, L. & Gilovich, T. (2003). To do or to have? That is the question. Journal of Personality and Social Psychology, 85(6), 1193-1202. doi:10.1037/0022-3514.85.6.1193 ↩

24. Gilovich, T. & Medvec, V.H. (1995). The experience of regret: What, when, and why. Psychological Review, 102(2), 379-395. doi:10.1037/0033-295x.102.2.379 ↩

25. Balban, M.Y., et al. (2023). Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine, 4(1), 100895. https://pmc.ncbi.nlm.nih.gov/articles/PMC9873947 ↩

26. Goessl, V. C., Curtiss, J. E., & Hofmann, S. G. (2017). The effect of heart rate variability biofeedback training on stress and anxiety: a meta-analysis. Psychological Medicine, 47(15), 2578-2586. https://pubmed.ncbi.nlm.nih.gov/28478782/ ↩

27. Laborde, S., Allen, M. S., Borges, U., et al. (2022). Effects of voluntary slow breathing on heart rate and heart rate variability: A systematic review and a meta-analysis. Neuroscience & Biobehavioral Reviews, 138, 104711. https://pubmed.ncbi.nlm.nih.gov/35623448/ ↩

28. Kaiser, T., Lusardi, A., Menkhoff, L., & Urban, C. (2022). Financial education affects financial knowledge and downstream behaviors. Journal of Financial Economics, 145(2), 255-272. https://doi.org/10.1016/j.jfineco.2021.09.022 ↩

29. Fernandes, D., Lynch, J.G., & Netemeyer, R.G. (2014). Financial literacy, financial education, and downstream financial behaviors. Management Science, 60(8), 1861-1883. doi:10.1287/mnsc.2013.1849 ↩

30. Grossman, P. (2023). Fundamental challenges and likely refutations of the five basic premises of the polyvagal theory. Biological Psychology, 180, 108589. doi:10.1016/j.biopsycho.2023.108589 ↩

31. Grossman, P., et al. (2026). Why the polyvagal theory is untenable: An international expert evaluation of the polyvagal theory and commentaries. Clinical Neuropsychiatry, 23(1), 100-112. https://pubmed.ncbi.nlm.nih.gov/41768017/ ↩

32. Substance Abuse and Mental Health Services Administration. (2014). SAMHSA's Concept of Trauma and Guidance for a Trauma-Informed Approach (HHS Publication No. SMA 14-4884). ↩

33. Purtle, J. (2020). Systematic review of evaluations of trauma-informed organizational interventions that include staff trainings. Trauma, Violence, & Abuse, 21(4), 725-740. https://pubmed.ncbi.nlm.nih.gov/30079827/ ↩

34. Li, H., Zhang, R., Lee, Y.-C., Kraut, R. E., & Mohr, D. C. (2023). Systematic review and meta-analysis of AI-based conversational agents for promoting mental health and well-being. npj Digital Medicine, 6, 236. https://pubmed.ncbi.nlm.nih.gov/38114588/ ↩