More electrical grid calm can be noticeable for some cities in particular..
Or the influence of darkness on hearing...😊
We hear the best when we were in our mother womb in complete darkness...
The same is true in a dark room at night...
Or blind...
https://www.ishn.com/articles/98133-when-vision-goes-dark-hearing-may-sharpen-say-researchers
Whisky has nothing to do with that as in love making you may feel it is better with no more self restrainsts with alcool but it is not at all really better and may impede erection at last ...😁
Drunkness impair hearing as seeing but you felt it is better for sure ...😊