We know those early call times and flights can be a huge pain. And what better way to start off your day than a cup of coffee?
Although your morning cup of joe can help you kick start your day, drinking "too much coffee, however . . . can be harmful to your body. Research indicates that ingesting too much caffeine (500-600 mgs or 5 or more cups of coffee) can cause anything from restlessness to muscle tremors."
Business Insider lists "10 Things That Drinking Too Much Coffee Can Do To Your Body."