From what I can tell, if you do that course of action, he could associate the licking/pawing during the night with an indicator to you that he needs to go out. I'd say the best way to deter it, is to just ignore it. He will eventually get the idea that when you are in bed, lick/pawing at you isn't going to get him anywhere.
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Sansa - Joined our family 2012/07/21