Eye closure
The app estimates eye openness and looks for sustained patterns rather than treating every blink as drowsiness.
Head position
Some platform adapters provide head-position signals that can add context to visible eye closure.
State and escalation
Rolling signals drive alert states, sensitivity, and escalating randomized alarms.
Privacy
Camera frames remain local and are not recorded, stored, or uploaded.
Written by the EyeJolt Editorial Team. Published and last reviewed 2026-07-14. Editorial policy.