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Homeopathic interventions are not statistically significantly more effective than control conditions for improving insomnia in adults

A systematic review and meta-analysis of 9 studies (6 RCTs, 3 non-randomized) found a moderate but non-significant effect of homeopathy on sleep outcomes (SMD = 0.63, 95% CI [-0.13, 1.39], p = 0.1051) with substantial heterogeneity (I² = 88.26%) and publication bias. Overall certainty of evidence was low, and most studies had high or critical risk of bias, leading to the conclusion that current evidence is insufficient to support homeopathy for insomnia.

Last updated: Aug 12, 2026•0 RCTs•1 Meta-analyses•📖 Read as article →

Evidence Score

Evidence Score49/100
Human RCT☆☆☆☆☆
Meta-analysis★★★☆☆
Mechanism★★★★★
Safety★★★★☆
Confidencelow

Study Evidence

Study 1. Effectiveness of homeopathic interventions for insomnia and sleep disorders: A systematic review and meta-analysis.

observational

Paracha MA, Fazal F, Abdul Jalil Khan S, Rizvi SS, Ali Afridi R, Mathangasinghe Y · Complementary therapies in medicine (2026)

Participants: N/A
Duration: N/A
Intervention: Homeopathic interventions (various remedies) compared to placebo, no treatment, or active care
Outcome: Sleep quality measures (e.g., PSQI, ISI)
Effect Size: SMD (Hedges' g) = 0.63, 95% CI [-0.13, 1.39]
Population: Adults (≥18 years) with primary insomnia

Result:

PubMed: 42551574DOI: 10.1016/j.ctim.2026.103413

Mechanism Graph

Homeopathic remedies are administered based on individualization principles
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Proposed mechanisms include placebo effects and possible biological effects at ultra-low doses
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No definitive mechanism established in this review
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Result: No statistically significant improvement over control

Limitations

  • ⚠High or critical risk of bias in most included studies
  • ⚠Substantial unexplained heterogeneity (I² = 88.26%)
  • ⚠Publication bias detected (Egger's test p = 0.0465)
  • ⚠Low overall certainty of evidence (GRADE)

Frequently Asked Questions

Is homeopathy effective for insomnia?▼

Based on this systematic review, there is no statistically significant evidence that homeopathy improves insomnia compared to control conditions. The effect size was moderate but not significant, and the certainty of evidence is low.

What was the sample size in this meta-analysis?▼

The review included 9 studies (6 RCTs and 3 non-randomized), but the abstract does not report the total number of participants.

What sleep outcomes were measured?▼

Validated sleep quality measures such as the Pittsburgh Sleep Quality Index (PSQI) and Insomnia Severity Index (ISI) were used.

Why is the evidence considered insufficient?▼

Because of high risk of bias in the included studies, substantial heterogeneity, publication bias, and low overall certainty, the evidence is insufficient to support homeopathy for insomnia.

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References

  1. 1.Paracha MA, Fazal F, Abdul Jalil Khan S, Rizvi SS, Ali Afridi R, Mathangasinghe Y. "Effectiveness of homeopathic interventions for insomnia and sleep disorders: A systematic review and meta-analysis.." Complementary therapies in medicine, 2026. PMID: 42551574 DOI: 10.1016/j.ctim.2026.103413
Disclaimer: This content is for educational purposes only and is not medical advice. Evidence scores reflect the quality and quantity of available research, not clinical recommendations. Always consult a healthcare professional before starting any supplement or intervention.