She'd fallen asleep on the can of soda she'd been so absorbed with when the rift spat the man out. Actually having managed to sleep through his arrival the sound of him retching had startled her awake.
She came up with her side arm drawn and the imprint on the rim of the can on her forehead, "Bwazzat?! Whodere?"
She was obviously still half asleep, but coherent enough to realize she wasn't pointing a gun at a Zombie. So with a pause to holster he gun she trotted up to the man.