My husband and I stayed in a vacation house that was right on the lake. I mention the lake only because this may help you to understand how humidity could be a problem in the house. We were at the house for a couple of weeks, and when we initially arrived we thought the interior pocket doors were great.
What I like about them is that you can open the pocket doors and they are totally out of the way, unlike a regular swinging door. After a few days we noticed that our ability to open and close the doors varied. Some days the doors would open and close smoothly and easily. Other days, the doors would refuse to budge in either direction.
We later figured out that the wooden doors were reacting to the humidity on any given day. So after two weeks, we were no longer so impressed by the pocket doors.