Standing / Sitting dream meaning is explained below using 1 different source. Each interpretation is shown with its source.

Interpretation 1 — Theresa Cheung

To dream that you are standing suggests that you are asserting yourself and feeling proud of your achievements. To dream that you are sitting indicates indecision and not knowing what to do with your life. It could also suggest laziness.
Source: The Element Encyclopedia Author: Theresa Cheung