Remember this Dutch man who can't stop laughing after hip surgery?
'It appears that due to the operation, due to the anesthesia, he was laughing more,' Mr Bosse's wife told the Dutch TV.
https://www.youtube.com/watch?v=nZlTRGMPJJo
16 sec video
Full 5:20 min video: https://www.youtube.com/watch?v=sOCJT2T8Rr4