Send a Google Doc with Google App script at a random time to someone. Has a 70% probability of sending it Between Midnight and 6AM when they're sleeping

SendDocViaGmail.js

/*
Set the Subject & recipient email.
Change the prbability times if you feel inclined.
Go to Extensions -> App Script and dump this code in so it fetches it dynamically
App uses.gs but syntax highlight with JS.
*/

function sendDocByEmail() {
  // Fetch the ID of the document where the script editor has been opened
  var docId = DocumentApp.getActiveDocument().getId();
  
  // Fetch the content of the doc as plain text
  var content = DocumentApp.openById(docId).getBody().getText();

  // Specify the recipient's email and subject of the email
  var recipientEmail = "recipient@example.com"; 
  var subject = "Daily Google Doc Content";

  // Send the email
  GmailApp.sendEmail(recipientEmail, subject, content);
  
  // Log the send action
  Logger.log('Sent email to ' + recipientEmail + ' at ' + new Date().toLocaleString());
}

function getRandomHour() {
  // 70% probability of choosing an hour between Midnight to 6AM
  if (Math.random() < 0.7) {
    return Math.floor(Math.random() * 7);
  } else {
    // 30% probability of choosing an hour between 7AM and 11PM
    return 7 + Math.floor(Math.random() * 17);
  }
}

function clearExistingTriggers() {
  var triggers = ScriptApp.getProjectTriggers();
  for (var i = 0; i < triggers.length; i++) {
    ScriptApp.deleteTrigger(triggers[i]);
  }
}

function setDailyTrigger() {
  clearExistingTriggers();

  var randomHour = getRandomHour();
  Logger.log('Setting trigger for ' + randomHour + ' hour on ' + new Date().toLocaleDateString());

  ScriptApp.newTrigger('sendDocByEmail')
    .timeBased()
    .everyDays(1)
    .atHour(randomHour)
    .create();
}