Drowzr watches your eyes, your steering, and your body — and breaks through with a sound the brain cannot sleep through. Because the second before a wreck is still a second you can use.
Most drowsy-driving crashes happen with zero brake input. The driver doesn't feel themselves falling asleep — they're simply gone, then suddenly back, except now they're in oncoming traffic. Drowzr exists for the three seconds before that moment.
Drowzr fuses three independent inputs so bumpy roads, sunglasses, or a bad camera angle don't cause false alarms — or worse, miss the real thing.
Your front camera tracks eyelid closure using on-device AI — the same measure sleep labs use (PERCLOS). Your face never leaves the device.
CAMERA · ON-DEVICE AIPhone accelerometer and gyroscope read the small, repeated micro-corrections that appear minutes before a driver actually nods off.
ACCELEROMETER · GYROPaired wearable sends heart-rate variability trends via your existing Apple Health or Google Fit account — no new hardware required if you already have a watch.
WEARABLE · OPTIONALAll signals are normal. Drowzr monitors silently — no interruptions, no false alarms, no battery drain from unnecessary alerts.
Early drowsiness pattern detected. A soft chime plays and the screen prompts you. Most drivers self-correct here — that's the goal.
A sustained 3,500 Hz square-wave tone — the same register as smoke alarms, chosen because it cuts through road noise and startles the brainstem awake. It does not stop until your eyes open.
Football, boxing, hockey, and martial arts players face dramatically elevated rates of sleep disorders, TBI-related fatigue, and cognitive changes that affect alertness behind the wheel — often with no official diagnosis.
Hours-of-service rules exist for a reason. A phone mount and Drowzr running in the background is a second layer of protection that doesn't require employer buy-in or a fleet deal.
The majority of people with sleep apnea don't know they have it. They're just inexplicably tired at 2pm on a highway, and they don't understand why. Drowzr doesn't diagnose — it just watches.
Daytime alertness naturally degrades with age, especially post-50. A two-hour afternoon highway run is exactly when microsleep events happen. Drowzr watches so you don't have to wonder.
I was a cornerback. Super Bowl. Two national championships. I thought my body was something I could trust. And then in my late 40s I started having accidents I couldn't explain — not alcohol, not distraction. Just gone. Mid-afternoon. No warning.
I figured it out late. I built Drowzr so someone else figures it out before the third wreck. Or the last one.
— Founder, Drowzr
No ads. No data sold. Ever. The core alert system is free because the people who need it most shouldn't have to decide if it's worth $4.99 to find out.
Free forever for the core alert system. Pro at $4.99/month for the full intelligence layer.
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