Lights Combat Astronauts Insomnia

GREENBELT, Md., Dec. 17 (UPI) — NASA says it will use lighting technology to help astronauts on the International Space Station sleep better during their “nights” in orbit.  High-tech light-emitting diodes are intended to help sustain a normal day-night cycle in the station’s inhabitants, about half of whom routinely find themselves needing medication at some point to get to sleep, SPACE.com reported.

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