The nightlife peaked between 2000 and the 2010s, right?

Kimbap Cheonguk, which used to be open 24 hours by default (hard to find these days)
Bars that operated 24 hours (hard to find these days)
Karaoke rooms and billiard halls that operated 24 hours (hard to find these days)
Other restaurants that operated 24 hours (hard to find these days)