Are you getting enough sleep every night? According to a new study from Rand Europe, sleep deprivation is a serious and costly problem for the globe's major economies. In the United States, 1.2 million working days are lost every year due to insufficient sleep, costing a whopping $411 billion. That equates to 2.28 percent of the country's GDP. Japan is also suffering the effects of sleep deprivation, losing 600,000 days and $138.6 billion annually.

This chart shows the estimated annual cost of insufficient sleep in GDP terms.