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Ha ha wiggal, I'm not sure about the half nod. and what if you do one too many nods? Do you then have to shake your head to cancel it out?! Thanks for the confirmation though, I thought the person who told me was making up his own old wives tales!
joko it's not one nod per one hour, it doesn't matter what time you go to bed, if you nod seven times you will wake at 7, eight times and it'll be 8 and so the theory goes. Of course though I am not 'suggesting' anything, that's why I said, 'I don't believe it to work,' and made clear I just wanted to know if anybody else had ever heard it said.