- "Many of us need more sleep," write Harvard economist Sendhill Mullainathan in the NYT.
- "The economic consequences of inadequate sleep are surely huge," Mullainathan adds.
- In one month in 2008, a poll showed that 29 percent of workers had fallen asleep or had been very sleepy at work," he notes. The effects can add up: one study in Australia calculated the cost of sleeplessness at 0.8% of the country's gross domestic product.
ETF Screener: Search and filter by asset class, strategy, theme, performance, yield, and much more
ETF Performance: View ETF performance across key asset classes and investing themes
ETF Investing Guide: Learn how to build and manage a well-diversified, low cost ETF portfolio
ETF Selector: An explanation of how to select and use ETFs