I often dream that I can fly lightly, as long as I dare to jump any height in my dream! What the hell happened?

There are several possibilities in your situation:

The body is full of yang, and Chinese medicine believes that this dream appears at the ceremony. You can also go to self-observation;

Because it is a frequent drift, from a psychological point of view, this dream may happen when you are in a relaxed and happy mood; Or a metaphor for the smooth environment and work. . .

From the perspective of parapsychology, this dream may be related to activities and memory traces before death. I don't know if you believe it or not. If so, it's complicated, not dream interpretation.

Observe and think more, and you may gradually find the real answer and discover yourself. . .