5 Everyday Habits That Are Quietly Affecting Your Mental Health
Most of us expect mental health to show up in obvious ways — a crisis, a diagnosis, a moment that's impossible to ignore. But in our work with clients, we've found that the more common story is quieter than that. It's the slow accumulation of small, daily habits that, over time, begin to shape how we feel, think, and relate to the world around us.
The good news? Because these habits are everyday, they're also changeable. Below, we walk through five that come up most often in our practice — not to add to your to-do list, but to offer a more honest picture of what mental wellness actually looks like on a Tuesday morning.
1. Skimping on Sleep
We live in a culture that quietly celebrates busyness and, by extension, sleep deprivation. But the research here is unambiguous: sleep is not a luxury. It is one of the most powerful regulators of mood, cognitive function, and emotional resilience we have.
A landmark meta-analysis published in Psychological Medicine found that insomnia is not simply a symptom of depression — it's an independent risk factor for developing it. Individuals with insomnia had more than twice the risk of developing depression compared to those without sleep difficulties (Baglioni et al., 2011). Separate research has shown that even moderate sleep restriction impairs the brain's ability to regulate emotion, essentially amplifying negative emotional reactions and reducing our capacity to respond flexibly under stress (Killgore, 2010).
What this means in practice: if you've noticed you're more irritable, more anxious, or less able to "shake things off," sleep quality is worth examining before anything else.
A place to start: Rather than focusing on the number of hours, pay attention to consistency — going to bed and waking at roughly the same time each day, including weekends. This supports your circadian rhythm, which in turn supports mood regulation.
2. Long Periods of Sitting and Physical Inactivity
We want to be careful here not to reduce this to "you should exercise more" — that framing often produces guilt rather than change. Instead, we'd invite you to think about movement as one of the most accessible and well-supported tools for mental health that exists.
A rigorous systematic review and meta-analysis published in JAMA Psychiatry analyzed data from over 33 studies and found that physical activity was associated with a 17% reduced risk of depression, with even small amounts of activity — well below common exercise recommendations — producing meaningful benefit (Pearce et al., 2022). The mechanisms aren't fully settled, but research points to movement's effects on inflammatory markers, HPA axis regulation (the body's stress response system), and neuroplasticity — particularly in the hippocampus, a brain region central to mood and memory (Blumenthal et al., 2007).
Beyond structured exercise, sedentary behavior itself appears to be a distinct concern. Biswas et al. (2015), publishing in the Annals of Internal Medicine, found that prolonged sitting was associated with significant health outcomes independent of exercise levels — meaning that a workout in the morning doesn't fully offset eight hours at a desk.
A place to start: Small breaks throughout the day — a short walk, standing for a few minutes, stretching between tasks — can meaningfully reduce the effects of prolonged sedentary time.
3. Passive or Unintentional Social Media Use
Social media is not inherently harmful, and we don't believe the answer here is simply "get off your phone." What the research suggests is more nuanced: it's the way we use social media, not merely the fact that we use it, that matters most.
A prospective study by Twenge et al. (2018), published in Clinical Psychological Science, followed a large national sample of adolescents and young adults and found that heavy social media use was associated with elevated depressive symptoms — but that the relationship was bidirectional and stronger for passive consumption (scrolling, watching) than for active, social engagement. Primack et al. (2017), in a study published in the American Journal of Preventive Medicine, found that adults who used social media the most had approximately three times the odds of perceived social isolation compared to those who used it least.
The proposed mechanism is social comparison. When we scroll passively, we're often consuming carefully curated, highlight-reel versions of other people's lives, and our minds — wired for comparison — quietly register the gap between their presentation and our own lived experience.
A place to start: Notice how you feel after using social media, not just while you're on it. A few minutes of honest observation can tell you more than any screen time report. Consider setting intentional windows rather than allowing ambient, reflexive use throughout the day.
4. A Diet That Isn't Supporting Your Brain
The relationship between what we eat and how we feel is an area of rapidly growing research — and the findings are harder to dismiss than they once were.
A landmark study by Jacka et al. (2010), published in the American Journal of Psychiatry, examined over 1,000 women and found that a "traditional" dietary pattern — characterized by vegetables, fruits, whole grains, and lean proteins — was associated with lower rates of depression and anxiety, while a "Western" dietary pattern high in processed foods, refined sugars, and saturated fats was associated with higher rates. Importantly, the researchers controlled for other lifestyle factors, suggesting the diet-mental health relationship was not simply a byproduct of broader lifestyle differences.
Subsequent research has deepened our understanding of the gut-brain axis — the bidirectional communication system between the gastrointestinal tract and the central nervous system. The gut produces a significant portion of the body's serotonin and communicates directly with the brain via the vagus nerve, meaning that gut health and microbial diversity have measurable effects on mood, anxiety, and cognitive function (Cryan et al., 2019, Physiological Reviews).
This isn't about rigid dietary rules or optimization. It's about recognizing that consistently under-nourishing or pro-inflammatory eating patterns have real downstream effects on how we feel — and that improving nutrition is a legitimate part of mental health care.
A place to start: Rather than overhauling your diet, consider one or two additions before thinking about subtractions. More fiber, more variety in plant foods, and more omega-3 rich foods (fatty fish, walnuts, flaxseed) are among the most evidence-supported starting points for mood support.
5. Avoiding or Suppressing Difficult Emotions
This one may be the most common pattern we see in clinical work, and it's the most underestimated.
When an emotion feels uncomfortable — sadness, anger, anxiety, shame — the natural impulse is to push it away. We get busy, distract ourselves, minimize the feeling, or tell ourselves we shouldn't feel it. This makes sense as a short-term strategy, but the research consistently shows it backfires.
James Gross and Oliver John, in a foundational paper published in the Journal of Personality and Social Psychology (2003), found that people who habitually suppressed their emotional experiences reported lower wellbeing, more depressive symptoms, and worse interpersonal functioning than those who were more willing to acknowledge and express what they felt. Suppression didn't reduce the emotional experience — it reduced the outward expression while the internal physiological arousal remained unchanged or intensified.
Related work from Acceptance and Commitment Therapy (ACT) research has identified experiential avoidance — the tendency to avoid, suppress, or escape internal experiences — as one of the most robust predictors of psychological distress across diagnostic categories (Hayes et al., 2006, Behaviour Research and Therapy).
Allowing difficult emotions to exist — not necessarily acting on them, but acknowledging them — is one of the most psychologically protective things a person can do. This is a skill, not a trait. It can be learned and strengthened.
A place to start: When a difficult emotion shows up, try naming it without judgment: I'm noticing I feel anxious right now. That small act of labeling — what neuroscientist Matthew Lieberman calls "affect labeling" — has been shown to reduce the intensity of the emotional experience itself (Lieberman et al., 2007, Psychological Science).
A Note From Our Team
None of these habits exists in isolation, and naming them isn't meant to add weight to an already full plate. Change is almost always more manageable in small steps, with support, and without the pressure of doing everything at once.
If you're noticing that one or more of these areas feels particularly relevant to where you are right now, that's worth paying attention to. Therapy is one of the most effective places to explore these patterns — not because something is wrong with you, but because having a skilled, caring person in your corner as you work through them genuinely makes a difference.
We're here if you'd like to talk.
References
Baglioni, C., Battagliese, G., Feige, B., Spiegelhalder, K., Nissen, C., Voderholzer, U., Lombardo, C., & Riemann, D. (2011). Insomnia as a predictor of depression: A meta-analytic evaluation of longitudinal epidemiological studies. Journal of Affective Disorders, 135(1–3), 10–19.
Biswas, A., Oh, P. I., Faulkner, G. E., Bajaj, R. R., Silver, M. A., Mitchell, M. S., & Alter, D. A. (2015). Sedentary time and its association with risk for disease incidence, mortality, and hospitalization in adults. Annals of Internal Medicine, 162(2), 123–132.
Blumenthal, J. A., Babyak, M. A., Doraiswamy, P. M., Watkins, L., Hoffman, B. M., Barbour, K. A., Herman, S., Craighead, W. E., Brosse, A. L., Waugh, R., Hinderliter, A., & Sherwood, A. (2007). Exercise and pharmacotherapy in the treatment of major depressive disorder. Psychosomatic Medicine, 69(7), 587–596.
Cryan, J. F., O'Riordan, K. J., Cowan, C. S. M., Sandhu, K. V., Bastiaanssen, T. F. S., Boehme, M., Codagnone, M. G., Cussotto, S., Fulling, C., Golubeva, A. V., Guzzetta, K. E., Jaggar, M., Long-Smith, C. M., Lyte, J. M., Martin, J. A., Molinero-Perez, A., Moloney, G., Morelli, E., Morillas, E., . . . Dinan, T. G. (2019). The microbiota-gut-brain axis. Physiological Reviews, 99(4), 1877–2013.
Gross, J. J., & John, O. P. (2003). Individual differences in two emotion regulation processes: Implications for affect, relationships, and well-being. Journal of Personality and Social Psychology, 85(2), 348–362.
Hayes, S. C., Luoma, J. B., Bond, F. W., Masuda, A., & Lillis, J. (2006). Acceptance and commitment therapy: Model, processes and outcomes. Behaviour Research and Therapy, 44(1), 1–25.
Jacka, F. N., Pasco, J. A., Mykletun, A., Williams, L. J., Hodge, A. M., O'Reilly, S. L., Nicholson, G. J., Kotowicz, M. A., & Berk, M. (2010). Association of Western and traditional diets with depression and anxiety in women. American Journal of Psychiatry, 167(3), 305–311.
Killgore, W. D. S. (2010). Effects of sleep deprivation on cognition. Progress in Brain Research, 185, 105–129.
Lieberman, M. D., Eisenberger, N. I., Crockett, M. J., Tom, S. M., Pfeifer, J. H., & Way, B. M. (2007). Putting feelings into words: Affect labeling disrupts amygdala activity in response to affective stimuli. Psychological Science, 18(5), 421–428.
Pearce, M., Garcia, L., Abbas, A., Strain, T., Scheuer, H., Golubic, R., Kelly, P., Khan, S., Westbury, L., Smith, A. D., & Brage, S. (2022). Association between physical activity and risk of depression: A systematic review and meta-analysis. JAMA Psychiatry, 79(6), 550–559.
Primack, B. A., Shensa, A., Sidani, J. E., Whaite, E. O., Lin, L. Y., Rosen, D., Colditz, J. B., Radovic, A., & Miller, E. (2017). Social media use and perceived social isolation among young adults in the U.S. American Journal of Preventive Medicine, 53(1), 1–8.
Twenge, J. M., Joiner, T. E., Rogers, M. L., & Martin, G. N. (2018). Increases in depressive symptoms, suicide-related outcomes, and suicide rates among U.S. adolescents after 2010 and links to increased new media screen time. Clinical Psychological Science, 6(1), 3–17.