[Despite herself she falls fast and hard into sleep, his warmth and his scent and the steady thud of his heartbeat too soothing to resist with her already feeling so wrung out.

And for a while, it's just that, the cool, quiet rise and fall of her chest against him.

But it's not that terribly long before her muscles have gradually knotted back up, breath gone short and shallow. He may notice or he may not; she has plenty of practice trying to hide it]