I've tried a lot of sleep headphones, everything from in-ear, pillow speakers to the really expensive bed phones. These are my new nightly sleep headphones. They are very comfortable and the sound quality is excellent. Having a built in volume control makes these 5 star. My biggest concern before buying these is they'd get too hot but they dont retain heat at all which is great.
Only issue is that sometimes these can get uncomfortable on your ears, but have found with all sleep headphones. Also it can bunch up at the middle of the night.