With the 996 system (9 am to 9 pm, 6 days per week), this would leave very little time for anything but working and sleeping. https://en.wikipedia.org/wiki/996_working_hour_system
https://www.cnn.com/2019/04/15/business/jack-ma-996-china/in...
https://www.cnn.com/2019/04/15/business/jack-ma-996-china/in...