It's immoral to show up for work when you're intoxicated.
Sara has stayed up all night drinking and is still intoxicated when it's time to come into work.
Sara wants to avoid losing paid hours on her next paycheck.
Sara uses some of her paid time off to take the day off.
Sara goes to work intoxicated and hides that fact by using breath mints.
Sara stays home to recover and still gets paid for the day.
Sara's work performance will be negatively impacted.