In this episode, we talk with Heather Schofield from the University of Pennsylvania about her paper "Sleepless in Chennai: The Economic and Health Effects of Reducing Sleep Deprivation Among the Urban Poor''. In this paper, Heather and her co-authors Pedro Bessone, Gautam Rao, Frank Schilbach and Mattie Toma examine the impact of interventions that aim to improve sleep quality on the productivity of low income workers from Chennai, India.