Sleep Glasses from Hammacher Schlemmer (2 images)

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Using a smartphone or tablet in bed need not cause sleepless nights - thanks to new glasses which cancel out glare that keeps us awake. The spectacles filter out high energy visible (HEV) blue light emitted by screens on televisions, tablets, and smartphones.

HEV blue light has been scientifically proven to suppress the production of melatonin in our body, which is the hormone that helps regulate our internal clocks and help us fall asleep. But the new 'Sleep Promoting Glasses'...
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