Wink Glasses Tells You If you are Sleepy

While many people are battling their sleepiness with various pills and drinks, here is one device that can easily wake you up, if you happen to want to stay awake. The device is the Wink Glasses. They are a clip-on device which monitor your alertness.

By counting how often you blink. Your blink rate will tell it if you are getting tired. If it senses that you are dozing, the glass will turn opaque and supposedly, that will wake you up. Not a bad gadget to have and maybe great for people who have to stay awake extensively due to work or for some other reason.

(Source) Slippery Brick

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