"Don't worry about the hot water bottle," Dan said, and rubbed at his eyes before realizing what his dad was doing. "Good, and... that's cool."
He broke off to yawn, hiding his mouth behind his sore hand, and then held it out towards Jack. "Phone, please. I'm not going to drop it, I just have to see..." He had to check on Brenna now instead of in the morning, it seemed, or his brain would never let him even consider going back to sleep.