I'm stressed before, during and a bit afterwards, too!
We've just come home from an eight-day holiday of a sorts. I was stressing (bordering on panicking) increasingly about a week beforehand. All the millions of things that could go wrong playing in my head, I suppose. And I take the anxiety out in somewhat futile activity, which meant I scrubbed the whole house ridiculously clean and micro managed things, causing me more stress.
We had quite a nice time away, but I don't think I've uncleanched once. I drank way too much wine, just to drown out the anxiety of not knowing how the house and pet were doing and the just sheer worry of being out of my comfort zone.
Home now. I've not really slept more than an hour here and there for several nights, but I'm still too wound up from it all to go and have an early night. It'll take everything being unpacked (and in its rightful place), washed and sorted, and me feeling some sense of normal daily routine again, and then I'll be better again.
I do want the extra experiences of going to places, but I can't say that holidays have anything to do with relaxing for me.