White light found to supress production of Melatonin - sleep regulating hormone - street lighting and light pollution implications

Submitted by Robert-Huxford on Wed, 28/09/2011 - 10:17am

LED white lights were found to be five times and Metal halide lights three times more powerful in suppressing melatonin production than High Pressure Sodium light

http://www.eurekalert.org/pub_releases/2011-09/uoh-doe091111.php

 

Sleep deprivation in obese teens linked with increased risk of developing type II diabetes

http://www.sciencedaily.com/releases/2008/01/080101093903.htm