What time at night is considered fatigued driving?

[KeiraRose]

Fatigued driving is considered to start from 10 PM at night. Driving time regulations: Continuously driving a motor vehicle for more than 4 hours without stopping to rest or with a rest period of less than 20 minutes is deemed as fatigued driving. Hazards of fatigued driving: Prolonged driving of a motor vehicle can cause the driver to experience blurred vision, lack of concentration, slow reaction times, reduced judgment ability, and increased operational errors, which may lead to traffic accidents. Penalties for fatigued driving: Driving medium or large-sized passenger vehicles or vehicles transporting hazardous materials will result in a fine of 200 yuan and 12 penalty points. Driving non-medium or large-sized passenger vehicles or vehicles transporting hazardous materials will result in a fine of 200 yuan and 6 penalty points. If a major traffic accident occurs due to fatigued driving, the driver will bear corresponding criminal liability.