Being an insomniac of many years standing, I sleep with earphones every night. I cannot imagine trying to sleep with my AKG N60NCs let alone something like the Sony cans.
Form reference I went for earphones with the flattest back I could find. For several years now I have been using RHA M350 or RHA M390. I can sleep with the earphone pressed on the pillow without discomfort.
I now use a bluetooth receiver which I place under the pillow, because I kept pulling the phone onto the floor.
Of course, if I am specifically listening to music in bed, then I'll use my AKG or Sennheiser cans. If I am trying to nod off then never in a million years.