A program which lets you sleep))

Sleep.ls

const minimumSleepTime = 4
maximumSleepHoursByWeekdays = [8, 8, 8, 8, 12, 12, 8]
zIterator = 0
zSymbols = ["Z", "Z", "Z", "z", "z", "z", "z", "z", ".", ".", ".", "\n"]


makeZzzzz = ->
    if zIterator == zSymbols.length
        zIterator := 0
    process.stdout.write zSymbols[zIterator]
    ++zIterator

convertHoursToMilliseconds = (hours) ->
    const amountOfMillisecondsInOneHour = 3600000
    hours * amountOfMillisecondsInOneHour

sleep = (timeToSleep, completion) ->
    startTime = new Date
    currentTime = void
    
    do
        currentTime = new Date
        makeZzzzz!
    while ((currentTime - startTime) < timeToSleep)
    
    completion!

howMuchShouldISleepToday = ->
    day = (new Date) .getDay!
    maximumSleepTime = maximumSleepHoursByWeekdays[day]
    Math.floor (Math.random! * maximumSleepTime + minimumSleepTime)

applyBadSleepCoefficient = (sleepTime) ->
    sleepTime * Math.random!


class Human
    (name) ->
        @name? = name
    
    const timeNeededToSleepDaily = convertHoursToMilliseconds 8
    
    sleep: (timeToSleep) ->
        self = @
        console.log "Falling asleep..."
        
        sleep timeToSleep, ( ->
            self.awake!
        )
    
    goToSleep: ->
        console.log "Lets go sleeping, i created"
    
    awake: ->
        console.log "#{@name} is awake and want to eat!"
    
    haveAnAverageSleep: ->
        timeToSleep = convertHoursToMilliseconds applyBadSleepCoefficient howMuchShouldISleepToday!
        @goToSleep!
        @sleep timeToSleep
    
    haveAGoodSleep: ->
        @goToSleep!
        @sleep timeNeededToSleepDaily


you = new Human "Charlie"
itWillBeAGoodSleep = Math.floor (Math.random! * 2)

if itWillBeAGoodSleep
    you.haveAGoodSleep!
else
    you.haveAnAverageSleep!