Gallery: NASA To Combat Astronaut Insomnia with Programmable LED Bulbs

 

When it’s your job to work in space, there is no such thing as a simple day in the office—and with all the challenges astronauts face, they also often struggle with a shortage of sleep. About half of all astronauts rely on sleep medication at some point in order to get shut-eye. NASA is hoping to change that with a deceptively simple solution: updating the light bulbs in the Space Station with programmable LEDs that change color to mimic a more familiar, earthly day and night schedule.

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