Whether you’re walking around Disney World, swimming in the ocean or taking a mountain trip, it’s needless to say that many vacations — while tons of fun — can also be tiresome. After packing in as much as possible on your days off, exhaustion may set in as you rush back home to prepare for going back to work or school. It’s important to be aware of a danger that comes with this: drowsy driving. Defined as driving while sleepy , it’s more common than you think. According to a Centers for