Are the in-ear Shure NC headphones comfortable for long periods of time? Other ear-bud headphones I've had for my cd player, etc hurt my ears after a whiel and weren't comfortable to sleep in, but I always had pretty cheap ones. Since I like to sleep with my head to the side sometimes, I can't imagine being comfortable with big over-ear QC2s on.. Anyone?

Right now what I do if I want to sleep is inflate my neck pillow, put in fifty cent foam earplugs, and take two benadryl. That system works great, but since I've been thinking of getting new headphones for general use anyway, I might as well get NCs.

peace,
~Ben~