Fig 1

![Fig 1: PRISMA flow diagram for the systematic review and meta-analysis on Ashwagandha extract and sleep shows the comprehensive search across seven databases, screening results, and final inclusion of randomized controlled trials.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8462692/bin/pone.0257843.g001.jpg)

> Source: Kae Ling Cheah et al. "Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review." *PloS one*, 2021. PMID: [34559859](https://pubmed.ncbi.nlm.nih.gov/34559859/)

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  <img src="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8462692/bin/pone.0257843.g001.jpg" alt="PRISMA flow diagram for the systematic review and meta-analysis on Ashwagandha extract and sleep shows the comprehensive search across seven databases, screening results, and final inclusion of randomized controlled trials." />
  <figcaption>Fig 1. PRISMA flow diagram for the systematic review and meta-analysis on Ashwagandha extract and sleep shows the comprehensive search across seven databases, screening results, and final inclusion of randomized controlled trials.<br>  Source: Kae Ling Cheah et al. "Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review." <em>PloS one</em>, 2021. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/34559859/">34559859</a></figcaption>
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