So what haven't you done? Grin.

Yeah, I've read they are noisy and cold. I've got sweats without metal eyelets ready to go, and I sleep with earplugs anyway.

I have learned I am quite sensitive to sounds. If I am trying to fall asleep and the cat downstairs yawns, I hear it. Even through a fan, white-sound machine, and shooter's deluxe foam ear plugs.