Today i saw the pinky mkay "sleeping like a baby" book which had suggestions of how to do this. I did not have time to read it im sorry but it seemed to suggest things along the lines of incorporating other cues such as "sleepy words", music/songs etc and then slowly removing the feed to sleep cue. I think the sleepy words may be words or phrases such as "its time for sleep". Not sure if there are others who have this book who may be better able to explain (i want to get this book it looks good!) but i hope this may help a little.
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