Even if I have a day off there are always things to do, I usually set myself some timetables, otherwise I end up doing nothing and I like to do things I enjoy like reading, going for a walk, chatting with my family, enjoying a park, watching a series or a movie... and I like to be able to take advantage of that time and then feel satisfied with the things I did.
It sounds like you've got the right idea.
It is the most productive.