hey does it have any effect if u do any mistake like high volume or a nap 

I mean i was trying it but idk why im feeling like blank minded really it's getting hard to think like before it's been a change in me but it's not good for me 

can u please reply i wanna know what may be the reason 
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Taking a nap is never a mistake, as long as it's no longer than 35 minutes. Napping helps improve learning. I definitely don't advise listening at full volume, there's a good chance of long-term hearing damage. Go for 20-40% as suggested earlier.
kawaii_cad