Burning the midnight oil in the studio can really mess with your ears and...

https://www.sierrabookmarking.win/pulling-an-all-nighter-in-the-studio-your-ears-at-2-am-aren-t-as-sharp-as-you

Burning the midnight oil in the studio can really mess with your ears and judgment. Around 2 am, your ears start to lose sensitivity, making it harder to catch subtle details