Amazing Cultivation Simulator

You can obtain this achievement by playing this during the night, for quite a few hours.

This achievement checks two things:
- Are you playing this game (in one session) for at least 4 hours.
- Is the local time between 00:00 (12:00 AM) and 05:00 (5:00 AM)

How to:

The easiest method is to start playing at 20:00 (8:00 PM).
You'll then unlock this achievement just after midnight.

Of course you can also fiddle around with your computer's time(zone) settings.

^{Above numbers work on the steam version of this game.}

Context:

The achievement is trying to give you a hint that you should go to bed, because you're playing for too long.

At the time of writing this, 0 tracked gamers have unlocked any of the other achievements.
However, 9 tracked gamers have unlocked this one.

Maybe the Devs know their target audience? Or perhaps sleep is overrated for TA-gamers?