Osea Giuntella, University of Pittsburgh; Sally Sadoff, University of California, San Diego, and Silvia Saccardo, Carnegie Mellon University
We paid college students about US$5 a night to sleep seven hours. This got them a quarter more nights of adequate sleep – and better grades.
That is what we found in a study we published in July 2026.
We gave more than 1,100 undergraduates at the University of Pittsburgh a…