Effectiveness of Valerian on insomnia: a meta-analysis of randomized placebo-controlled trials
Fernandez-San-Martin MI, Masa-Font R, Palacios-Soler L, Sancho-Gomez P, Calbo-Caldentey C, Flores-Mateo G
Published in Sleep Medicine
Methodology
Meta-analysis of randomized placebo-controlled trials of valerian for insomnia using qualitative and quantitative sleep outcomes
Key Findings
Qualitative dichotomous outcomes suggested improved sleep quality, but quantitative sleep parameters showed no statistically significant differences from placebo
Conclusions
Valerian showed benefit only on subjective dichotomous measures, not on objective sleep parameters
Limitations
Heterogeneous preparations and doses; variable trial quality
Supplements Studied
Quantitative sleep parameters showed no statistically significant differences from placebo
Outcomes Measured
Quantitative sleep parameters showed no statistically significant differences from placebo
Related Health Concerns
Study Details
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