7 Minutes Vs. 16 Hours: How The Media Reports Delay
...On the other hand, after Obama was told (most likely for the fifteenth time) that the CIA was really, really, really quite confident that Osama bin Ladin was at that compound in Abbottabad, he decided he needed to sleep on it.

Sixteen hours later (hours during which Osama might have fled-- bear in mind, his courier's name had just been outed by WikiLeaks), he made up his mind....