Security, Safety and Surveillance Products Design 37 Degrees Driver Drowsiness Alarm Warning System by 37 Degree Smart Home Guangzhou 37 Degree Smart Home Ltd. 37 Degrees Driver Drowsiness Alarm is a warning system for cars. The system monitors the fatigue level of the driver during driving. A sensor and a vibrating motor are embedded in the driver seat and the steering wheel, and a buzzer is placed in the headrest. Body data such as heart rate is captured and analyzed. When the driver is estimated to be sleepy, the seat vibrates gently and the buzzer sounds. The alert is intended to wake the driver and to help prevent road accidents caused by drowsy driving.