>>11530304Sounds like you need to move to more silent place. Either someplace with very good soundproofing (the absolute best would a bunker with thick concrete or a totally floating room) or out of the city. If you can't do that, then there are some things that you can try, but they require some effort
https://www.youtube.com/watch?v=--c0tiIZG6o>>11530174If you try something like this, then you have to be very careful with ventilation of CO2 and influx of oxygen. Ventilation is a general isssue in soundproofing, because the sound slip through the ventilation. The solution to this is something like on the picture. Towels seems to be a good DIY sound absorber
https://www.youtube.com/watch?v=pABvTWSxOesAlthough earplugs inside earmuffs gives pretty good blocking, I would not recommend sleeping with this regularly. If you have tried this, you know why I say this. That said, there is huge differences between different types of earplugs and earmuffs. Both in overall reduction and the frequency profile. Active noise cancellation seems to be key to reduce low frequencies and a great supplement to passive means.
