Drich, it's not primarily a question of mockery, though that will probably follow depending on the outrageousness of the 'proof' presented (in other words, say something that people find funny and you shouldn't act surprised when they laugh). Even if your dreams are indeed evidence of any god communicating with you, you have no way of demonstrating that. From the anecdotes you provide, their quality as well as their content, we can draw certain conclusions; the most polite of which is that any god that chooses to communicate in a way that is indistinguishable from a bog-standard dream is one that probably doesn't care if its followers are mocked.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'