Without the youths, the market for the nightlife was far lower. While there were indeed middle aged men and women who came as merchants or visitors from afar, the spending capacity of mortals couldn't be considered very high, and most of those who came to the Academy wouldn't want to waste their time on trivial pursuits. As for the elderly… In a place like the Academy, the majority of the elderly were long time cultivators!
That being the case, no matter if it was meditation or cultivating, they were all more worthwhile things to do than sleep or going out to play.
With no actual 'night life' to enjoy, Di Tou circled around for a while before going into his old habit of walking.
He had walked around the Academy many times now. Sometimes at day, looking for something interesting to do, or learning the layout of the land. He had also walked at night a few times, enjoying the quiet and peaceful atmosphere and finding some time for himself in an otherwise busy city.