What a cool product!
I used to use regular earbuds at night but I gave up on them because of how uncomfortable they were. My SleepPhones are really nice. I got the SleepPhones Wireless in “one size fits most”. When I first tried on the headband I wasn’t sure if it was going to fit because I have a small head and it seemed kinda loose but once I got it positioned correctly and laid down it was very comfortable.
The headband itself stays in place nicely and the speakers