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b'Dr. Adrian Owen, a renowned neuroscientist, discovered that individuals in a persistent coma could still communicate- and he went one step further and listened to what they wanted to say. He\\u2019s also performed the largest sleep and cognition study in the world, and demonstrated why brain training apps are bunk, and what we can do to sleep better and improve our own conscious function.\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'