The period following a nap (and/or prolonged stint away from the internet) during which a social networking addict catches up on everything they've 'missed' on Facebook, Twitter, blogs and the like while they were asleep.
Normal Person: Hey call me when you wake up, maybe we can grab a bite.
Social Networking Addict: no can do, I've got a post nap cram session planned for right after I wake up.
NP: You're such a loser