const sleepTrackerInstance = sleepTracker({
    timeout: 60, // in minutes, By default is 30 minutes
    delayCallAwake: 10
});
sleepTrackerInstance.on("beforeasleep", function() {
    // Your code to open modal to ask if user is awake ! If ok call sleepTrackerInstance.awake();
});
sleepTrackerInstance.on("awakened", function() {
    // Your code after user indicate on other page he awake. If modal is open, you can close it
});
sleepTrackerInstance.on("awake", function() {
    // Your code to execute after to indicate to the server user is awake
});
sleepTrackerInstance.on("asleep", function() {
    // Your code to execute because user is asleep. example logout, black screen, ...
});

import sleepTracker from '@guillaumebonnaire/sleep-tracker-js';