Series: Longing and Belonging (2/3) - Loneliness

Loneliness in a Hyperconnected World

Part 2 of 3: Understanding the Emotional and Physical Impact of Disconnection

In the last post, we talked about a longing many people feel, sometimes for a time they never even lived through. A pull toward a slower, softer, more connected way of being. What we’re really craving, deep down, is belonging, real, embodied connection in a world that’s become increasingly digitized, fast-paced, and isolating.

But what happens when that longing doesn’t go away? What happens when we stay disconnected?

Loneliness Isn’t Just in Your Head

You can feel lonely in a crowded subway, in a group text, or at a dinner table. You can feel it in a class-room, at a work function, and while lying next to someone you love.

Kirwan et al., 2025 found that in the research literature, loneliness is generally considered (as per Perlman and Peplau’s (1981) widely used definition): the unpleasant experience of unsatisfactory quality of social relationships.

Loneliness isn’t about necessarily about being alone, it’s about feeling unseen, unvalued, or disconnected, even in the presence of others.

And the pain of loneliness isn’t imaginary, it’s deeply felt in the body.

Biology, Disconnection, and Belonging

We are interdependent beings. Our brains evolved in small, tightly bonded social groups. For thousands of years, our survival depended on closeness, being attuned to others, supported by others, and known by others. When we feel separated or excluded, the brain can interpret that disconnection as a threat.

And the body responds accordingly.

As explored by social neuroscience researchers Hawkley & Cacioppo (2010), perceived social isolation - the feeling of being disconnected, is suspected to increase the risk of:

• Poor sleep quality

• Mental health concerns

• Impaired executive function

• Accelerated cognitive decline

• Inflammation

• Cardiovascular health risks

Loneliness is a universal experience felt by most (if not all) humans at one point or another, but if it becomes chronic, the stress of this increases health and well-being risks in the same ways as smoking or being sedentary (Novotney, 2020). In other words, it seems chronic disconnection can literally make us sick.

The Pain Loop of Loneliness

Loneliness also affects how we see the world.

Neuroscientific research shows that prolonged isolation can make us more sensitive to rejection cues. The brain’s threat center, especially the amygdala, goes on higher alert. We might begin interpreting neutral social cues (like a neutral face, a delayed text, or a quiet room) as signs of rejection or hostility.

This becomes a painful paradox:

The more disconnected we feel, the harder it can be to connect.

Humans need Humanity

If you feel lonely, it doesn’t mean you’re flawed, needy, or behind. It means your body is asking for what it’s always needed: connection.

If your life lacks meaningful interaction, shared rituals, emotional safety, or community spaces where you feel a sense of connection, belonging, and value, it may be time to explore ways to intentionally seek these out and deepen intimacy. And maybe that yearning to add in some relatively tech-free connection is speaking something to you.

Maybe the experiment you choose for yourself is in-person, real-time relational presence.

The good news is that the same nervous system that alerts you to disconnection is also wired for repair, for co-regulation (borrowing and offering calm to another), and for re-engagement.

You don’t have to be good at socializing to be worthy of connection. You just have to keep showing up, with curiosity, honesty, and a little courage. Courage doesn't mean you aren't scared, it means that you do it anyway - you do it awkward.

In the next post, Longing & Belonging - Connection, we do a little brain-storming around options.

About the Post & References

This post is for general educational purposes only and does not constitute psychological advice or therapy and is not intended to replace personalized care from a licensed mental health professional in Canada.

Hawkley, L. C., & Cacioppo, J. T. (2010). Loneliness matters: A theoretical and empirical review of consequences and mechanisms. Annals of Behavioral Medicine, 40(2), 218–227. https://doi.org/10.1007/s12160-010-9210-8

Kirwan, E.M., Burns, A., O’Súilleabháin, P.S. et al. Loneliness in Emerging Adulthood: A Scoping Review. Adolescent Res Rev 10, 47–67 (2025). https://doi.org/10.1007/s40894-024-00240-4

Novotney, A. (2020). The risks of social isolation. Monitor on Psychology, 50(5). https://www.apa.org/monitor/2019/05/ce-corner-isolation