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 at this, and generally, those have assumed that we choose our hours of sleep optimally.

-Sendhil Mullainathan

Select a background
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image
Awesome background image

More quotes by Sendhil Mullainathan