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

https://fernandowehn083.timeforchangecounselling.com/uber-s-12-hour-limit-should-you-treat-it-as-a-goal

Uber and Lyft cap driving at roughly 12 hours, followed by a six-hour break. Fatigue still matters: pack real food between rides and keep a steady sleep routine