Learn to have lucid dreams! This app shows short hints, tips, reminders, tests and thought experiments all designed to help you become lucid. The hints and tips are in these categories: Dream Sign: something to look for in your environment or recent memory that could be a clue that you're dreaming. Dream Tip: a tip for improving your chances of lucid dreaming. Dream Action: an action to perform to see if you're dreaming (something that usually works in a dream but not in waking reality.