Waking the brain: The sedative paradox … or is it homeopathy?

Over the past ten years stories have appeared at regular intervals of people emerging from unconsciousness when given zolpidem, a sedative that should have produced a state of unconsciousness. Several research papers speak of the phenomenon and the 1990 film starring Robin Williams and Robert de Niro introduced the paradox to popular culture.

But are we looking at nothing more than homeopathy? The answer may surprise you.

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