The Black-White Sleep Gap

An unexpected challenge in the quest for racial justice. “I think it’s quite beau­ti­ful per­son­ally,” says Li­anne Tom­fohr, who was the lead au­thor on the study and is now a psy­cho­logy pro­fess­or at the Uni­versity of Cal­gary. “We can put [sensors] on their head and, through the elec­tri­city in their brains, see how deeply they are sleep­ing. It’s a little bit mys­tic­al to me that it is even pos­sible.”