Research · Systematic review
Valerian for sleep: a systematic review and meta-analysis
What it found
May improve subjective sleep, but evidence is low-quality with publication bias.
- Design
- Systematic review
- Year
- 2006
- Sample size
- 1,093
- Population
- adults
- Intervention
- valerian
- Outcome
- sleep quality
- Journal
- American Journal of Medicine
Citation last checked 2026-06-21.