That covers 1 of the 2 things women don't understand about men (the other thing being the EXCRUCIATING pain experienced by a man who was just kicked in the ba!!s).
'As frustrating as it is for most women that their male partners just roll over and fall asleep after sex, men aren't entirely to blame,' said Dr Neil Stanley, director of sleep at the University of Surrey'
Must be that rotational upset caused by that tsunami!