A televised, web-based randomised trial of an herbal remedy (valerian) for insomnia.

PLoS One · 2007 · PMC2002515 · PMID 17940604

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marginally statistically significantno p-value reported

There was a trend towards similar effects for night awakenings and sleep duration, and a marginally statistically significant effect on global self-assessed improvement of much better or better (NNT = 18, 95% CI 9 to 500).

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