I usually sleep on my side and I hate noise, except for sounds specifically designed for sleep. Usually when I sleep in the car in a noisy place I wear noise isolating headphones, sometimes simple construction headphones, sometimes bluetooth headphones like this MPOW-102. The main problem with these (when sleeping on your side) is that they put too much pressure on the ear you are lying on. After several attempts to solve this problem - I found that this kitchen microfiber sponge works best - especially if you put covers on top, which can be washed often. I used white mounting tape for one side and clear double sided tape for the other side, we'll see what works better.
Those mini cushions compromise the noise isolation a bit - but that's well compensated for by the comfort for my ears.
I'd be happy to hear how other people deal with the disturbing noise.
Those mini cushions compromise the noise isolation a bit - but that's well compensated for by the comfort for my ears.
I'd be happy to hear how other people deal with the disturbing noise.