Got this from a forwarded mail, so the source is unknown. Having said that, well, I am not sure whether these are accurate, but here goes. This is the start – The Spoon (they call it).
Most common sleeping postion for the first 1 – 3 years of marriage/relationship. It provides maximum physical closeness, though it does not have to be erotic. 
See more Categories at BedZine: BED Activities, Sleep.
