[He had been sleeping, but not well--a lot of tossing and turning had been involved. Therefore, your reappearance pretty much wakes him right away. At first he freezes, hardly daring to breathe, like it might break some sort of fragile illusion. But after a few moments of watching your chest rise and fall easily, it's reassuring enough that he can relax.

He's going to let you sleep, but you're getting curled around in turn.]