Freezing when someone turns around is read as moving only when unobserved. It points to progress made in secret, or fear of being caught mid-step.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.