His arms closed around her immediately, pulling her unceremoniously into his lap and holding her tight to him. "S'all right, love. He's here, he's breathing. He's going to be all right." He carried on muttering more of the same into her hair, not sure whether he was trying to convince her...or himself.
Resting his head on top of Hermione's, he watched Harry closely for any sign that he'd rejoined the world and ready to stand vigil until he did so.
"I'm getting entirely too accustomed to watching my best mates sleep," he said softly.