Shaking someone awake is read as wanting them to see what you see. Tradition links it to urgency, a warning you wish to share, or a part of you that needs to wake up.
Does the traditional reading fit your dream, or did it mean something else to you?
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.