I bought myself the noise masking sleepbuds from BOSE to combat loisy upstairs neighbors who stomp all the time at night and early morning:
I tried them for two nights and I like the technology, unfortunately, I did not keep them because they were not comfortable for side sleepers.
The sleepbuds fit well in the ear and produce soothing music (you have a big selection from the phone app), however I found that any external speakers that can generate white noise can do the same effect.
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