National Science Health & Safety Sleeping in a room even a little bit of light can hurt a person's health, study shows 5:30pm March 29, 2022 by Will Stone Science Health National Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2022 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered People are creating deepfakes of their dead relatives Politics & Government Where does RFK Jr. fit in the history of third-party candidates? 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate