The best RCs are the following:
-Digital clock/watch reality check. You look at the clock, then look back. Do that two or three times and you will notice the clock change if you are dreaming. It is inevitable. Even the most stable and realistic dream WONT be able to maintain a stable digital clock for more than a couple times. The clock will change.. That is pretty much a law of lucid dreaming. Use it to your advantage. It doesnt matter if you do a RC on the clock out of habit or need, you will become lucid regardless.
-Light switch RC. An OK RC when you need one, but works wonderfully out of habit. Once again, almost like a law of dreaming - the mind has trouble switching from dark room to light room instantly. Even if the lights will turn on, there will be artefacts, glitches, not all the lights will turn on at once. That is very easy to spot.
-Reading RC - read a word or a sentence, and read it over once or twice. It will change or will make little sense. Once again the mind has trouble keeping the text stable, therefore it is almost like a law and is pretty easy to use. [/b]
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