'Green light' glasses to battle insomnia and jetlag

The device, called a Re-Timer, works by shining green light-emitting diodes (LEDs) attached to the glasses into the eyes for programmed intervals.

“The light is necessary for the retiming of your body clock or circadian rhythm,” said Professor Leon Lack from the School of Psychology at Flinders University, who is the inventor of the device.

“Our extensive research studies have shown that green light is one of the most effective wavelengths for advancing or delaying the body clock, and to date [ours] is the only wearable device using green light.”

Several journals have published data backing the technology behind the device as potentially effective in altering the body clock.

Professor Lack said the Re-Timer can help people with insomnia who find it hard to fall asleep as well as people who wake up too early in the morning.

Professor David Hillman, chair of the Sleep Health Foundation and director of the West

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