Aha, interesting, I looked up some info about it and it seems that in another experiment the dogs also reacted when the owner went home at irregular times. Quite interesting:
There's a lot of people that have similar experiences though. You can check the comments on that video. Also the parent comment that started this discussion is an example.
- https://www.youtube.com/watch?v=aA5wAm2c01w
- https://www.youtube.com/watch?v=Ftr9yY-YuYU