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 National Trump administration and the courts continue to clash over immigration by Ximena Bustillo National Anti-Trump protests are held in cities across the U.S. by Miles Parks 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate