Who would be that cruel to their children? You could always take a nap later. Your children's excitement and joy at the long awaited surprises would provide you all the energy you would need to stay awake.
Mark may be successful with this type of tactics but it could also backfire. This is much like the game he played with Jared over at EESO with the information teasers. I sure hope we're not being set up for an EESO repeat.