Open Thinkering

The strange magic of the third week

Bamboo growing in spirals
Photo by feey / Unsplash

It's the start of a new year, so I'm in planning mode. For the last few years I have tried to structure my year around three long breaks: three weeks in April, three in August, and three in December. Before you stop reading, I realise that by most standards this is extremely generous, and is very much a function of being in charge of my own schedule. What interests me in this post, though, is not the amount of time as such, but the pattern that has emerged.

I've noticed that the first week of these three-week periods does not feel restful. I am usually tired, and also still mentally at work. Although I hide apps on my phone I still end up “checking in”to email on a daily basis. The second week feels pleasant and holiday‑like. It's nice.

The third week, though, is different. At that point I start to feel like myself again. I am no longer just a version of “work‑me” on holiday, but a person who happens to do some work for part of the year.

If I was just writing about myself, that's where this piece would end. But I wanted to see how far that subjective experience lines up with what researchers have found about holidays, recovery, and sabbaticals — and then to wonder how people with less control over their time might still reach something like that “third-week” state.

What the research says

I've read so many articles over the years saying that the perfect holiday length is about eight days. The work often cited is by Jessica de Bloom and colleagues who studied people taking a 23‑day holiday, and who reported that health and wellbeing improved rapidly, with a peak around day eight. Some turn this into a claim that there is, therefore, no point going for longer.

However, a later meta‑analysis by the same lead author examined multiple studies on holidays and found that time away from work does, in fact, improve health and wellbeing. But the gains are often short-lived once people return to normal routines. The “peak” described in the 23‑day study is simply the first detailed measurement point, not proof that nothing develops later in the break.

The British Psychological Society (BPS) has summarised this body of work: while some research suggests that holiday benefits fade within days, more recent studies indicate they can last longer when people use the time for genuine recovery, rather than merely displacement activity in a different location. In other words, the headline that “holidays do not last” actually hides the more interesting question of how people are using that time and how deeply they detach from work.

Week 1: decompression and sleep debt

I can only talk about my own experience, but my first week away is mostly about decompression. I sleep more, do less, and feel a bit out of sorts. The evidence suggests this is quite common. De Bloom’s meta‑analysis notes that people often start their holidays already strained, so part of the effect of time off is simply to reduce existing fatigue and stress back towards baseline.

Sleep research backs this up. I wouldn't say I have chronic sleep debt, but research in that area suggests that it can take several days of unrestricted sleep before cognitive performance and mood stabilise. In other words, the opening stretch of a holiday is often spent fixing prior damage rather than building anything new.

I'm not saying shorter holidays don't help. One study of German middle-managers who spent four nights away in a hotel reported significant improvements in perceived stress, recovery, and wellbeing. Some effects were still apparent more than a month later. This supports the idea that even brief changes of pace matter. It also hints that what people do during those days, and how fully they switch off, matters at least as much as the length.

Week 2: feeling good but still “work you”

By the second week, I tend to feel more obviously on holiday. I sleep better, am calmer and start looking around me more. This aligns with what was mentioned earlier r.e. the “peak” around day eight: the long‑holiday study showed that health and mood scores were highest in the second week.

Research on how long these benefits last is quite sobering. Wellbeing often returns to pre‑holiday levels within days or, at most, weeks of going back to work — especially if there's no change to workload and/or habits. The structure of how we operate needs to change if holidays are to have a longer-term effect.

That is how two week holidays have felt to me, historically. They've been enjoyable, restorative on the surface, but still anchored to my work identity. I may not be checking email in week two, yet I am still someone on a break from “real life”, rather than someone living a life that happens, at times, to include paid work.

Week 3: towards an identity shift

I think something different happens in week three. I'm no longer thinking about work any more. That's not because I'm trying not to think about work, but because it's not relevant to what I'm doing. Days seem to become longer; I read more deeply, move more slowly, notice more. It seems like the structure of time changes, somehow.

This is where research on sabbaticals becomes useful. For example, one Harvard Business School working paper describes how sabbaticals not only allows people to rest, but try out new activities and roles, and then start to integrate those into their sense of self. This pattern of recover, explore, practise can help people “shed their identity and reaffirm who they are, or gain the confidence and self‑discovery to go do something different”.

Academic sabbaticals tend to run to several months, and three weeks is obviously a lot sorter than that. It does, however, seem to offer a small slice of the same effect. The first week is mostly “recover” and the second week drifts towards “explore.” Week three feels like the start of “practice.” living, briefly, as the person who is not constantly recovering from work.

BPS research backs this up: it's is not just how long a break lasts but whether people are able to mentally detach, engage in enjoyable and meaningful activities, and avoid recreating the pressures of work in leisure form. I don't know about you, but I approach leisure activities as if they were work activities in weeks one and two. The third week is when I enjoy detachment and meaningful activities in an unforced way.

Yes, there's a structural problem here

If you're reading this from the United States, then I'm sorry. There is no federal requirement for paid leave, and so many workers receive as little as ten days per year. That makes any multi‑week break extremely difficult. There are also persistent cultural norms around availability and “commitment” which further restricts what is socially acceptable.

Here in the UK and across Europe, statutory annual leave is higher. Full‑time workers in the UK are entitled to 28 days of paid holiday, and many European countries offer more. Even so, the practicalities of working within an organisation, kids' school calendars and extra-curricular activities, and unspoken expectations in workplaces can make taking a continuous three‑week block at best awkward, and at worst career‑limiting.

Researchers point out repeatedly that organisational culture plays a large role here. The BPS guidance mentioned above stresses that people need to feel they can switch off without penalty, and that employers should avoid practices that pull staff back into work during leave. Long breaks are not just a question of being entitled to them, they're very much a question of design.

For freelancers, contractors, and people running their own organisations, meanwhile, there are different barriers Workload, cash flow, and the guilt of “leaving money on the table” can mitigate against long breaks, even when it looks like there's nothing stopping people from taking them. I'm fortunate that I'm part of a worker-owned co-op where we've built three-week breaks into the way we operate. The choice to ring‑fence three weeks is a design decision about what a year is for, not only a question of whether someone has got the individual willpower to make it work.

Can we get that “third‑week” feeling another way?

While most people cannot take three weeks off, three times a year, that does not mean they cannot reach something like the third‑week state. Research on detachment, short breaks, and sabbaticals suggests practical adjustments can shift the quality of time off, even if the quantity is fixed.

1. Prioritise psychological detachment

Research shows that that people who continue to ruminate on work during evenings, weekends, or holidays recover less well and show higher strain. Detachment predicts better sleep, better mood, and lower exhaustion.

Some simple tips:

  • Turn off work email and messaging for the whole holiday, not just try to check them less. There's always the temptation if the app is there on your phone.
  • Use a clear out‑of‑office message that sets expectations and, if possible, diverts queries elsewhere rather than inviting them to pile up. I explicitly direct people towards my colleagues.
  • Create a brief “shutdown ritual” before any non‑work block of time, where you write down what is pending and the next step, so your brain does not have to hold it in working memory. A note to future you is a form of self-care.

This won't conjure a third week out of a long weekend, but they move any given stretch of non‑work time closer to the mental space that characterises that particular phase.

2. Treat short breaks as experiments

The German four‑night hotel break study mentioned earlier found improvements in stress and wellbeing compared with a control group that stayed at work. Some benefits were visible up to 45 days later. Even relatively brief holidays can matter more than early pessimistic studies suggested, provided they are structured to support recovery.

Short breaks aren't just consolation prizes, but, structured well, can be useful experiments in how to rest better. For example:

  • Try a four‑day break with complete digital disconnection and see how you feel two weeks later. I've done this before when walking and wild camping, for example.
  • Try another where you stay at home but change routine deliberately: longer sleep, more walking, fewer errands, and see whether that approximates the third‑week sense of being “off the clock.”

Over time, you will begin to notice patterns emerging. The point is not to chase an ideal formula, but to notice which conditions bring you closest to feeling like yourself rather than a temporarily paused worker.

3. Protect the edges of your holidays

We've all been there: the start and the end of our holidays end up being stressful, because we try and cram things in before we head off, and then come back to overflowing inboxes. There are, however, ways to soften these edges:

  • Reduce new commitments and high‑stakes meetings in the week before leave, so you are not trying to finish two weeks of work in three days. Again, it's about being kinder to yourself.
  • On return, block the first couple of days for sorting email, catching up, and reflection, and avoid being booked solid from day one. It's OK to say no to optional meetings.

Seen this way, the length of a holiday includes the build‑up and the re‑entry. Smoothing those can make even a single week feel more like two.

4. Create “third‑week days” within ordinary life

Part of the third‑week feeling seems to come from unstructured time; having no obligation to be productive or available, where attention can rest on whatever arises. Some have suggested certain kinds of day off or a “mini‑retreat” to induce similar shifts.

Some ideas that have worked for me, and fit with the research:

  • Design occasional days with no meetings, no work communication, and no errands. Treat them as “practice days” for the kind of time horizon you have in week three.
  • Remove as many digital interruptions as possible for those days. Put the phone in another room, or use a basic device instead of a smartphone.
  • Plan one or two activities that are absorbing but low‑pressure: a long walk, reading, a practical project, time with people who do not primarily know you through your job.

We are not pretending that a single day is in some way to identical to a late‑holiday mindset. Rather, the aim is to give your nervous system and your sense of self regular glimpses of that state, which makes it easier to find again during longer breaks.

5. Consider a mini‑sabbatical

The research on sabbaticals suggests that their effects are not just on stress and restfulness but on identity, values, and career direction. The Harvard Business Review research paper mentioned earlier describes sabbaticals as having “transformative potential” when they mix rest with exploration of new roles and practices.

Not everyone can manage a full sabbatical. That said, over a span of several years some people can assemble something close to it by:

  • Aligning employer‑provided leave, unpaid leave, and quieter periods into one longer block rather than several fragments.
  • Using that time not only for recovery but for experiments in different daily rhythms, side projects, or directions that are usually squeezed into evenings and weekends.

My three‑week blocks are a modest attempt in that direction. They are not sabbaticals, but they are long enough that I stop feeling like someone who is recovering from work and start to feel like someone with a life that contains work.

Why this matters

Holidays are often framed as a way to recharge so that you can be a better worker: more productive (and more compliant). Much of the research literature reflects that framing, asking how quickly “bounce back” and how long those gains last before performance drops again.

What I'm discussing here points to a different question: what would it mean to organise work and rest so that people have regular contact with a version of themselves that is not defined by their work. Studies on holidays, detachment, and sabbaticals all suggest that such contact is possible and beneficial, even if only occasionally.

For now, my approach is pragmatic. I design my year around three long breaks and, although I didn't manage one last April, usually treat them as non‑negotiable. I also try to shape smaller bits of time so they share some of the qualities of that third week. And I also pay attention to the research, not as a set of rules but as a set of clues about how human bodies and minds respond to time away.

If, like most people, you cannot take three weeks off work, the point of this post isn't to try and make you feel guilty or inadequate. I'm encouraging you to experiment at the edges of what you can do. Can you detach a little more fully, protect the before and after a little more carefully, and create small pockets of life where you are not just someone resting so that you can work again? The evidence suggests that even those adjustments can matter more than holiday brochures and websites would have you believe.