Drug giant agrees to acquire sleep-aid developer Hypnion.
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Sanofi-Aventis’s drug zolpidem wakes patients from a vegetative state.
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Agency’s rejection of high-dose insomnia pill rips stock and leaves Pfizer deal in flux.
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High sales of pharma company’s insomnia drug send shares up more than 14 percent.
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New research shows that Americans are taking more sleeping medications than ever.
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U.S. high court nixes medical pot law; Conceptus rises on speculation; Vaccines protect monkeys; Somaxon gets cash; IBM’s Blue Gene computer works on the brain.
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