If a man had as many ideas during the day as he does when he has insomnia, he'd make a fortune. — Griff Niblack Copy Share Image
Some struggle with medical issues - like insomnia - that make sleep hard. But for many of us, the quantity and quality of sleep come down to a matter of choice. Still, only a few enterprising economists have looked closely… — Sendhil Mullainathan Copy Share Image
