Crowley didn't consider himself the least bit adorable. He was a terrific bad ass and hot if anything. Being 'adorable' was more in the realm of angels... which explained why Aziraphale wiggling his toes like that had come across to him as adorable.

"You've never gone to sleep?"

The question was asked in a rush of surprise as he slid the angel's jacket up over his shoulders where it, predictably, became entangled in his wings. He started on the right wing first, guiding it gently around the fabric, and smoothing down those feathers that were ruffled out of place by the jacket's passing over them.

"You've been on Earth for eons and you were never tempted to try it? Not even once?"

Then the left was given the same treatment, but much more slowly as from some reason the feathers on this side seemed far more determined to hold on.

"Or do you mean you have slept you hadn't meant to?"