Multiple systematic reviews, meta-analyses, and randomized controlled trials indicate that specific herbs and roots, such as valerian, chamomile, and ashwagandha, can improve sleep quality and help manage insomnia.
Evidence for · 9
Valerian Root in Treating Sleep Problems and Associated Disorders—A Systematic Review and Meta-Analysis
2020 · cited by 105
Valerian root is found to be a safe and effective herb to promote sleep and improve subjective sleep quality in systematic review and meta-analysis.
Evidence against · 1
Does valerian work for insomnia? An umbrella review of the evidence.
2024 · cited by 13
An umbrella review on valerian concludes that while it is widely used, systematic reviews show no strong objective evidence of efficacy for the treatment of insomnia, although subjective sleep quality may improve.
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More for · 8
Therapeutic efficacy and safety of chamomile for state anxiety, generalized anxiety disorder, insomnia, and sleep quality: A systematic review and meta‐analysis of randomized trials and quasi‐randomized trials
2019 · cited by 64
A systematic review and meta-analysis of randomized trials indicates that chamomile significantly improves sleep quality.
A systematic review of effectiveness and safety of some herbal compounds as treatment for primary insomnia
2024 · cited by 1
Plant extracts including valerian, hop, and lavender show positive effectiveness in improving sleep quality and reducing sleep latency.
Effectiveness of Lesser Known Herbal Sedatives for Insomnia: A Systematic Review and Meta-Analysis
2026 · cited by 0
A meta-analysis of herbal sedatives demonstrates a statistically significant pooled effect favoring improved insomnia-related outcomes, particularly for chamomile.
Standardized Extract of Valeriana officinalis Improves Overall Sleep Quality in Human Subjects with Sleep Complaints: A Randomized, Double-Blind, Placebo-Controlled, Clinical Study.
2024 · cited by 0
A randomized, double-blind, placebo-controlled study demonstrates that a standardized extract of Valeriana officinalis significantly improves overall sleep quality and sleep parameters.
The Perceived Impact of Ashwagandha on Stress, Sleep Quality, Energy, and Mental Clarity for College Students: Qualitative Analysis of a Double-Blind Randomized Control Trial.
2022 · cited by 0
Qualitative analysis of a clinical trial indicates that ashwagandha root enhances perceived sleep quality and sleep dynamics in participants.
Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis.
2021 · cited by 0
A systematic review and meta-analysis shows that ashwagandha extract exhibits a beneficial effect in improving sleep in adults.
Effects of Saffron Extract on Sleep Quality: A Randomized Double-Blind Controlled Clinical Trial.
2021 · cited by 0
A randomized double-blind controlled trial finds that a saffron extract improves sleep duration and quality in subjects presenting mild to moderate sleep disorders.
Clinical evaluation of the pharmacological impact of ashwagandha root extract on sleep in healthy volunteers and insomnia patients: A double-blind, randomized, parallel-group, placebo-controlled study.
2021 · cited by 0
A randomized, placebo-controlled study confirms that ashwagandha root extract significantly improves sleep quality and helps manage insomnia.