Wearable digital electronic devices comprised primarily of a wristwatch and also featuring electronic communications capability, wireless local area network connection ability, and cellular capabilities, heart rate sensor to continuously monitor and measure specific decreases below resting heart rate to identify the onset of drowsiness and fatigue, software and display screens for viewing, sending and receiving texts, data, GPS, and information from and to smart phones, tablet computers, port...

Wearable digital electronic devices comprised primarily of a wristwatch and also featuring electronic communications capability, WiFi, and cellular capabilities, heart rate sensor to continuously monitor and measure specific decreases below resting heart rate to identify the onset of drowsiness and fatigue, software and display screens for viewing, sending and receiving texts, data, GPS, and information from and to smart phones, tablet computers, portable computers, computers, computerized ca...