Seriously how do people sleep with heatless curls?

I tried the satin foam heatless curl thing that you wrap your hair into yesterday. I loved the results it gave me and I’m trying to use less heat on my hair, but I couldn’t sleep with it in! I’m a side sleeper and it was so uncomfortable and made my neck stiff I ended up just taking them out at like midnight. Seriously wondering how does everyone sleep with them in? I want to start using this as my main way of curling hair, but I obviously need to be able to sleep as well.. lol