What are 6 symptoms of fatigue?

The six typical symptoms of fatigued driving include: frequent blinking or heavy eyelids, increased yawning, involuntary head drooping or nodding, unstable vehicle speed due to slowed reaction time, frequent lane departures, and difficulty concentrating resulting in missed traffic signs. These symptoms can be detected by in-vehicle monitoring systems such as the Fatigue Recognition System (BAWS), which uses cameras to analyze facial expressions, eye closure frequency, and head movement patterns, while integrating data on steering wheel input and lane deviation for comprehensive assessment. When the system detects continuous driving exceeding 4 hours or the aforementioned abnormal behaviors, it will display a rest reminder via the instrument panel warning icon. Drivers are advised to obtain adequate sleep before long journeys and take scheduled breaks every 2 hours during travel to prevent fatigue-related accidents.