You've held out for months, never been sick, and then, on your second day at the beach, along comes the cold, the migraine or the queasy stomach. If this sounds familiar, you're not alone, and it's not just bad timing either.
Behind it is an actually researched phenomenon with a name: leisure sickness, known in German as "Freizeitkrankheit" (leisure-time illness). People get sick precisely when stress lets up, that is, on the weekend or on vacation. The reason lies in the way your body deals with chronic stress.
In this article, we look at what leisure sickness is, why it happens and how you can still make it through the transition into rest and recovery in good health.
Table of Contents
Important: Persistent infections and severe or recurring symptoms should be checked by a doctor. This article explains an everyday phenomenon and does not replace medical advice.
What is leisure sickness?
Leisure sickness ("leisure-time illness") describes a phenomenon in which people develop symptoms precisely when the pressure eases, often on the weekend or at the start of a vacation. The Dutch psychologist Ad Vingerhoets was the first to study this pattern systematically. Those affected report symptoms such as tiredness, headaches, muscle aches or cold-like complaints, among others. Research suggests that high work stress, a strong sense of responsibility and difficulty switching from tension to relaxation in particular can play a role. 1
Those affected develop symptoms such as colds, headaches, migraines, tiredness or gastrointestinal complaints, and precisely when the stress finally lets up.
Important to understand: Leisure sickness is not a medical diagnosis in its own right, but an observed pattern. That doesn't make it any less real, though, because many people experience it regularly without knowing the connection.
Why you get sick on vacation when you relax
During stressful phases, the body often simply keeps going for a long time. Stress hormones such as cortisol help provide energy and regulate inflammatory responses. However, chronic stress can disrupt the balance of the immune system. When the pressure suddenly decreases, some people notice symptoms that were less noticeable before. This is one possible explanation for the phenomenon of "leisure sickness". 2
As soon as you come to rest, your cortisol level drops. And suddenly everything your body was masking before makes itself felt. An infection that was already there now breaks through. Your immune system is, so to speak, catching up on what it kept putting off during everyday stress.
On top of that, everything changes abruptly on vacation, including your sleep rhythm, diet, climate and time zone. For an immune system that's only just taking its foot off the gas, that's of course a lot at once.
When leisure sickness occurs
You're most susceptible in the first 24 to 72 hours after "letting go". In this window, the body switches from "fight mode" to recovery mode, and precisely this moment of switching over is the gap in which pathogens have an easy time.
So if you rush straight from your last deadline onto the plane, you make things especially hard for your body. The abrupt change from maximum tension to complete relaxation is the most critical moment.
Preventing leisure sickness: 4 tips
1. Don't brake abruptly
Plan one or two quieter days before your vacation instead of going full throttle until the last minute. A gentler transition gives your body time to slowly bring its stress level down.
2. Prepare your immune system in good time
Strengthen your defenses in the weeks before your trip, not just at the airport. A good basic supply of immune-relevant nutrients is the best preparation.
3. Prioritize sleep
Especially during the transition, your body needs sleep to ramp up the immune system. Good sleep in the first days of your vacation isn't lost time, but active regeneration.
4. Pay attention to hydration and nutrients
Travel stress, dry airplane air and changes in climate drain your reserves. Drinking enough and a targeted supply of nutrients help keep the immune system stable.
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My personal assessment
What fascinates me about leisure sickness is how clearly it shows that our body doesn't simply "shrug off" stress, but only postpones it. The price for months of holding out often comes due precisely when we can least use it. That's of course not exactly ideal when you've planned a nice time on vacation.
In our community, I keep hearing the same story: first day of vacation, and you're already laid up. If you understand that this is no coincidence, you approach rest and recovery differently: more slowly, more consciously and with an immune system that's prepared instead of caught off guard.
Nutrients aren't a miracle cure, but they are a useful building block if you shape the transition consciously.
Common questions (FAQ)
Is leisure sickness a real illness?
Leisure sickness is not a diagnosis in its own right, but a described pattern: people get sick during periods of relaxation. The Dutch researcher Ad Vingerhoets documented the phenomenon and attributes it to the change from stress to recovery.
Why do I always get sick on the weekend?
On the weekend, after a stressful work week, your cortisol level drops. Since cortisol was previously suppressing symptoms, colds or headaches now show up precisely in your free time. This is the typical weekend version of leisure sickness.
How long does it take to get sick on vacation?
Symptoms usually appear in the first 24 to 72 hours after you start relaxing. In this transition phase, the body switches from tension to recovery, which briefly makes the immune system more susceptible.
Can leisure sickness be prevented?
The phenomenon can't be prevented completely, but the risk drops significantly if you don't switch abruptly from stress to recovery, strengthen your immune system in advance, get enough sleep and pay attention to fluids and nutrients.
Conclusion
Leisure sickness shows how closely stress and the immune system are linked. The body holds out under tension and makes itself felt again during recovery, when the protective cortisol level drops.
If you shape the transition consciously, don't brake abruptly, strengthen your immune system in good time and pay attention to sleep and nutrients, you'll start your vacation healthier. With persistent or recurring infections, medical advice is always the right way to go.
Related reading: Strengthening the immune system: what can I do?
Sources
- Vingerhoets AJ, Van Huijgevoort M, Van Heck GL. Leisure sickness: a pilot study on its prevalence, phenomenology, and background. Psychother Psychosom. 2002;71(6):311-317. doi: 10.1159/000065992. PMID: 12405093.
- Dhabhar FS. (2014). Effects of stress on immune function: the good, the bad, and the beautiful. Immunologic Research, 58, 193–210.
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