With 16 Sunrises per Day, Astronauts Will Sleep Better with Color-Changing LEDs

by Randy Reid
March 21, 2017

Astronauts on the International Space Station are swapping out their fluorescent light bulbs for a fancy new set of light-emitting diodes (LEDs) that scientists think will help them sleep better and be more alert. If the new lights work as intended, the technology could help people on Earth sleep better as well.