Normally when you say "sleeping on your stomach", particularly referencing to how children/babies do it.. you think of this:



Or perhaps with the "top" person on the side, using you like some sort of log.

Wonder if it was Junichi or Ai that somehow came up with this position..

Quote Originally Posted by shinta
Sleeping on the crotch is pretty weird. If you move a lot, it can get... sticky.
From what I know, swimwear "itches" more too.