Congratulations. Scientists have officially studied how long your vacation should be and when you’re actually enjoying the vacation the most. There’s a minimum length, an amount of time that makes the vacation less impactful, and — spoiler alert — the answer will annoy you.
Multiple researchers came to the same conclusion on the following three findings. In fact, one study basically confirmed what your cynical coworker has been saying for years. Here’s what the science actually says, so you can feel validated and slightly cheated at the same time.
First, the cruel joke: Your biggest happiness boost does not happen during the vacation. It happens right before. That’s dopamine, the molecule responsible for excitement, firing up in anticipation of a reward. So all that time you spend obsessing over destinations, flights, outfits, and itineraries? That’s your peak. The actual vacay is downhill from there. Okay, not really downhill, but kinda downhill, we’ll explain. Keep reading.
Second, the waste of days 1 and 2: You land, thrilled, expecting instant bliss because you’ve finally made it. But your cortisol (the stress hormone) is still throwing a tantrum. Your nervous system takes at least 48 hours to downshift from the chaos of travel. You only start genuinely relaxing on day three. So the minimum vacation you should plan is at least four days. Yes, you need a vacation to recover from the start of your vacation.
Third, the peak and the inevitable decline: From day three, relaxation builds and finally peaks on day eight. That’s it. That’s your maximum happiness. After day eight, something called “hedonic adaptation” kicks in — a fancy phrase for “you get bored of the nice bed, good food, and pretty view.” Your body adapts, and the enjoyment slowly begins to sink.
But the most annoying finding of all? No matter if you take four days or forty, your happiness hormones reset to baseline within one week of coming home. In fact, the study’s title says it bluntly: vacationers are happier before and during the trip, but most are not happier after a vacation compared to before they left.
So the trick isn’t longer vacations. It’s more vacations. More bookings. More anticipation phases. More day-three relaxations. More day-eight peaks. Frequency over length.
Science says: stop trying to escape for a month. Just keep leaving, over and over.
Want to read the full study? Here’s where to go:
Nawijn, J., Marchand, M.A., Veenhoven, R. & Vingerhoets, A.J.J.M. (2010). Vacationers happier, but most not happier after a vacation. Applied Research in Quality of Life, 5(1), 35-47. Free full text available at: https://pubmed.ncbi.nlm.nih.gov/20234864/
