Can Journaling Slow Down Time?

Can journaling slow down time? It sounds like an odd question — but there is a growing body of psychological research suggesting that the act of writing about your days may genuinely change how long they feel, both in the moment and when you look back. If you have ever reached the end of a year and felt like it barely happened — you remember January, and then somehow it is December, with little in between — this article is for you. For many people in their thirties, forties, and beyond, that feeling grows stronger with each passing year. A decade can feel like it slipped by while you were busy with something else.

This is not just a feeling. It is a well-documented psychological phenomenon — and understanding why it happens reveals something important about the relationship between memory, attention, and how we experience our own lives.

Why Does Time Accelerate as We Age?

The experience of time speeding up with age has been studied by psychologists for decades. One of the most compelling explanations comes from research on memory and novelty.

When we are children, almost everything is new. A trip to a new place, a first day at school, learning to ride a bicycle — each of these experiences is unfamiliar, and the brain encodes unfamiliar experiences richly. There is a lot of information to process, and so the brain creates dense, detailed memories. Looking back on childhood, many people find that those years feel long and full, even if they were not always happy.

As we grow older, life tends toward routine. We commute the same routes, eat at the same restaurants, spend time with the same people. The brain is efficient: it does not expend energy encoding what it already knows. Familiar experiences leave faint traces. And when you look back on a year made up mostly of routine, there is little to anchor the memory. The weeks blur together. The year feels short because it is thin — thin in terms of distinct, memorable moments.

This is the core insight from Claudia Hammond's widely read book Time Warped (2012). Hammond describes what she calls the "Holiday Paradox": a vacation packed with new experiences can feel fast in the moment but surprisingly long in retrospect, because it generated so many distinct memories. A routine week at the office feels longer while you are living it — boredom stretches time — but vanishes quickly in memory, because there is almost nothing to remember.

The psychologist Marc Wittmann, who has spent decades studying time perception at the Institute for Frontier Areas of Psychology in Freiburg, arrives at a similar conclusion in Felt Time: The Psychology of How We Perceive Time (MIT Press, 2016). The fewer distinct memory markers a period contains, the shorter it feels in retrospect.

Routine does not just compress the present — it erases the past.

A 2025 study published in Communications Biology (Lugtmeijer et al.) added a neurological dimension to this. Researchers analyzed brain scans from 577 people aged 18 to 88 while they watched a short film. They found that older brains switched between distinct neural states less frequently than younger brains. In simpler terms, the older brain registers fewer mental "events" within the same span of time. With fewer events logged, the retrospective story of that time feels shorter.

Scientific American summarizes the mechanism clearly: the brain encodes new experiences but not familiar ones, and our retrospective sense of time is based on how many new memories we create. The more novel the period, the longer it feels when we look back.

What Role Do Attention and Reflection Play?

There is another layer to this. Time perception is not only about novelty — it is also about attention.

Research consistently shows that how much attention we pay to an experience shapes how well we remember it. When we move through our days on autopilot, absorbed in tasks and obligations, we are not really attending to the texture of those days. We are present in a functional sense but not in a reflective one. And what we do not attend to, we do not remember.

There is also evidence that the act of forming a narrative around an experience — organising it into a coherent story — changes how the brain encodes it. James Pennebaker and Jodi Seagal at the University of Texas at Austin found that writers who used progressively more cognitive language (words signifying analysis, causation, insight) across sessions showed greater benefits than those who simply vented emotion without building a narrative (Pennebaker & Seagal, Journal of Clinical Psychology, 1999). The cognitive work of structuring experience into language — deciding what caused what, what it meant — appears to be the active ingredient.

Steve Taylor, a psychology lecturer at Leeds Beckett University and author of Time Expansion Experiences (2024), argues that cultivating attention — actively engaging with experience rather than passively moving through it — is one of the most reliable ways to counteract the acceleration of time. The goal is not to manufacture novelty constantly, but to notice what is already there.

This points to something interesting. The problem is not only that our lives contain less novelty as we age. It is also that we have grown less practiced at noticing.

What Does Writing Do to Memory?

This is where the act of writing becomes relevant.

When you write about your day — even briefly, even imperfectly — you are doing something specific to your memory of it. You are converting a fluid, partially-formed experience into language. That conversion requires attention. You have to decide what mattered, what you felt, what stood out. In doing so, you create a distinct marker for that day: something that differentiates it from the day before and the day after.

Psychologists call these markers "event boundaries." According to Event Segmentation Theory, developed by Jeffrey Zacks and colleagues at Washington University in St. Louis, the brain continuously parses ongoing experience into discrete events — and the boundaries between those events are what regulate attention and memory encoding (Zacks et al., Psychological Bulletin, 2007). A week with seven distinct, memorable days feels longer than a week that blurs into one undifferentiated stretch.

Writing creates event boundaries. Not because the act of writing is dramatic, but because it forces a moment of attention and reflection that would not otherwise happen.

You sat down, you thought about your day, you put it into words. That day now has a shape in your memory that it would not have had otherwise.

This is not merely theoretical. David Gold, Jeffrey Zacks, and Shaney Flores at Washington University found that providing structural cues at event boundaries improved memory for everyday activities — and that the benefit applied equally to younger and older adults (Gold, Zacks & Flores, Cognitive Research: Principles and Implications, 2017). Writing your day down is, in effect, generating that structural cue yourself.

The researcher quoted in an NBC News piece on time perception put it this way: "I suspect that if you spend half an hour every night really reflecting on what has happened that day, it may ingrain them to make them more unique. Memory is short-lived and many of us just aren't that engaged in the everyday things we're doing, so if you slow down and engage more in the moment, and look back on everything deeply later, you may find time lasting longer."

Journaling is, in a practical sense, exactly that habit.

What Are the Honest Caveats?

It is worth being clear about what the research does and does not say.

No study has directly tested whether keeping a journal changes how long a year feels in retrospect. The connection is logical and grounded in what we know about memory, attention, and event boundaries. The closest empirical evidence comes from a 2026 study by Winny Yue and colleagues at the University of Hong Kong: participants who recalled more sub-events within an episode gave significantly longer retrospective duration estimates — while the accuracy of content details had virtually no effect (Yue et al., Psychonomic Bulletin & Review, 2026). In other words, it is the number of remembered segments — not how richly you remember each one — that makes a period feel longer in retrospect.

The implication for writing is clear even if not yet directly tested: if writing increases the number of distinct episodes you can recall from a given week, it should increase how long that week feels in retrospect. This has not been measured directly in the way that, say, the benefits of expressive writing on stress have been — but the mechanism is coherent and well-grounded.

What the research does support clearly is this:

• Periods rich in distinct memories feel longer in retrospect
• Reflection and attention strengthen memory encoding
• Routine without reflection compresses our sense of time

Writing is one of the most accessible ways to introduce that reflection. Whether it measurably "slows time" in a way that could be captured in a lab study is an open question. But the mechanism is coherent, and the practice is low-cost.

Can You Build a Different Relationship with Time?

There is something worth sitting with here. The worry that time is slipping by is not really about time — it is about the fear of not being present for your own life. Of arriving at some future point and realizing you cannot account for the years between.

The research suggests that this is partly a memory problem. Not that the experiences were not there, but that they were not attended to, not encoded, not anchored. They happened and then dissolved.

Writing does not add hours to the day. It does not manufacture experiences you did not have. But it gives the experiences you did have somewhere to land.

It makes them retrievable. And when you look back — a year from now, or ten years from now — there is something to look back at. That is not nothing. In fact, for many people, it turns out to be quite a lot.

Start tonight: before bed, write three sentences about your day — what you noticed, what you felt, what stood out. It takes two minutes. In a year, you will have 365 reasons to remember.

And if that underlying worry — the sense that something is slipping away, that you are not fully present — sometimes takes the form of broader anxiety, writing may help there too. The same mechanisms of attention and processing appear to play a role in quieting everyday anxious thinking, as we explore in our piece on whether journaling helps with anxiety. There is also growing evidence that regular writing sharpens thinking itself — helping you process decisions and extract meaning from experience — which we look at in can journaling make you think more clearly. And if you are wondering how to build this into a sustainable routine, our guide on how to start a journaling habit is a practical place to begin.