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Anti-jetlag glasses

A professor of psychology at Flinders University, in Australia, has developed a device that resets the body's internal clock.  Resembling a game console but worn like sunglasses, it helps change the message that photoreceptors send to the part of our brain that regulates our daily sleep-wake patterns.  The so-called "Re-Timer" uses green light, which, according to Professor Leon Lack's research, is one of the most effective wavelengths for advancing or delaying the body's clock.  The device should be worn for 50 minutes a day for three days in order to change the wearer's biological clock.  This innovation is the result of 25 years of sleep research.