But if they forget to breathe to the extent that they pass out
Then assuming they don't have a major injury falling, then they'll breathe anyway
( Methylene Blue - electrohead, Thu 11 Jun 2009, 18:39, archived)

make them do it at the top of a cliff

( Moon Girl Technologies horrendous beanbag, Thu 11 Jun 2009, 18:40, archived)

:)

( Methylene Blue - electrohead, Thu 11 Jun 2009, 18:40, archived)