ADD SPEECH SYNTHESIS TO EACH PASSAGE
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add this once to the Javascript story.  
This will work with mobile and edge.  
It will use Text To Speech TTS.
$(document).on(':passagedisplay', function (ev) {

        var passageText = $(ev.content).text();
   State.variables.passageText = passageText;
           var textToRead = State.active.variables.passageText || "Your text goes here.";
        var synth = window.speechSynthesis;
        var utterance = new SpeechSynthesisUtterance(textToRead);
        synth.speak(utterance);
  });


CREATE EVENTS THAT GO TO ANOTHER AUTOMATICALLY
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After 20 seconds elapsed it will go to Passage name WakeUp

You try to sleep...
<<timed 20s>><<goto "WakeUp">><</timed>>You try to sleep...