Uber and Lyft cap driving at roughly 12 hours, followed by a six-hour break—but...

https://tango-wiki.win/index.php/Best_Way_to_Stretch_Without_Looking_Weird_at_the_Airport_Lot

Uber and Lyft cap driving at roughly 12 hours, followed by a six-hour break—but fatigue still matters. Get sleep tips and learn about CBD as an off-the-clock wind-down option. Pack real food between rides