Uber and Lyft drivers face roughly 12-hour caps, followed by a six-hour break....

https://wiki-nest.win/index.php/Does_Opening_a_Window_Help_With_Drowsy_Driving%3F

Uber and Lyft drivers face roughly 12-hour caps, followed by a six-hour break. This guide explores fatigue, sleep routines and CBD as an off-the-clock wind-down option. Pack real food between rides. Never drive after THC; CBD can make some people drowsy.