[jake13jake]

I'm trying to delay script execution on the stack.

meaning

Stack:
attemptJump--interior execution in a while-sleep loop, shouldn't return until the while-sleep loop has executed (the problem is that it does, or only runs through one iteration of while).
attemptAction--waits for attemptJump execution until it returns
movement main--waits for attemptAction to return until continuing other script executions.