Just got them in the mail (4 hour shipping). They're essentially like AirPods except without any electronics haha.

They're way more comfortable than any polyurethane foam earplugs and still manage to block out quite a lot of ambient noise (I probably wouldn't use these on an airplane, but they're more than good enough for the home). I just tried laying on my side and they don't press against my ears at all. Wow.

Thanks for the recommendation!