552 29 OCTOBER 2021 • VOL 374 ISSUE 6567 science.org SCIENCE
PHOTO: PROSTOCK-STUDIO/ALAMY STOCK PHOTOPoor sleep disproportionately undermines the health of communities of color.
Researchers want to figure out why—and find solutions
By Rodrigo Pérez Ortega
DIVIDED WE SLEEP
SPECIAL SECTION SLEEP