test.js

const getSleepHours = day => { 
    switch (day) {
    case "Monday":
        return 8
        break;
    case "Tuesday":                  
        return 6
        break;
    case "Wednesday":
        return 5
        break;
    case "Thursday":
        return 7 
        break;
    case "Friday":
        return 8
        break;
    case "Saturday":
        return 9
        break;
    case "Sunday":
        return 7
    default:
        console.log('you did not sleep a wink')
        break;
    }

};

const getActualSleepHours = ()=> {
    return getSleepHours('Monday') + 
        getSleepHours('Tuesday') + 
        getSleepHours('Wednesday') + 
        getSleepHours('Thursday') + 
        getSleepHours('Friday') +
        getSleepHours('Saturday') +
        getSleepHours('Sunday');
};

const getIdealSleepHours = () => {
    let idealHours = 8; 
    return idealHours * 7;
};

const calculateSleepDebt = () => {

    let actualSleepHours =   getActualSleepHours();    
    let idealSleepHours =  getIdealSleepHours();  


    if (actualSleepHours === idealSleepHours)
    {
        console.log('You got the perfect amount of sleep');
    }  

    if (actualSleepHours > idealSleepHours)
    {
        console.log('You got ' + (actualSleepHours - idealSleepHours) + 'more sleep than neccessary');
    } 

    if (actualSleepHours < idealSleepHours)
    {
        console.log('You got ' + (idealSleepHours - actualSleepHours) + ' hours less sleep than you needed this week. Get some rest.');
    }
}

calculateSleepDebt();