are her ears sensitive in terms of hears noises that others don't/don't worry others? If this is the case, you can try ear plugs. ear plugs you can still hear stuff, but can drown out the white noise.
I have a neuro condition and have at times hyper stimulated limbs. Feels like neurons are waving in the air. You can get really expensive 'second skin' outfits, but tubal bandage does a similar thing. Just by having the bandage firm on the skin, it reduces all the sensory input.
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