Codecademy - Sleep debt calculator

let getSleepHours = day => {
  switch(day){
    case 'monday':
      return 8;
      break;
    case 'tuesday':
      return 7;
      break;
    case 'wednesday':
      return 6;
      break;
    case 'thursday':
      return 8;
      break;
    case 'friday':
      return 4;
      break;
    case 'saturday':
      return 5;
      break;
    case 'sunday':
      return 4;
      break;
  }
};

let getActualSleepHours = () => {
  let hoursOfWeek = 0;
  hoursOfWeek += getSleepHours('monday');
  hoursOfWeek += getSleepHours('tuesday');
  hoursOfWeek += getSleepHours('wednesday');
  hoursOfWeek += getSleepHours('thursday');
  hoursOfWeek += getSleepHours('friday');
  hoursOfWeek += getSleepHours('saturday');
  hoursOfWeek += getSleepHours('sunday');

  return hoursOfWeek;
}

let getIdealSleepHours = () => {
  let idealHours = 7;
  return idealHours * 7; // days
}

let calculateSleepDebt = () => {
  let actualHours = getActualSleepHours();
  let idealHours = getIdealSleepHours();

  if(actualHours == idealHours){
    console.log(`You got the perfect amount of sleep, ${actualHours} in the last 7 days.`);
  } else if (actualHours > idealHours){
    console.log(`You got more than enough sleep. You slept ${actualHours-idealHours} hours more than was necessary.`)
  } else {
    console.log(`You should get some rest. You're deficient by ${idealHours-actualHours} hours.`);
  }
}

calculateSleepDebt();