In this information age, we can suffer from an excess of content, which can be overwhelming.
So there are so many options that sometimes we cannot choose what to watch or do.
Having a regular hobby can be helpful, but as you say, each person is different, and the way people deal with situations can never be the same for everyone.
So there is no solution that is useful for most people when they are in this situation of not knowing what to devote time or attention to.