ReviewInternational journal of yoga
Meta-analysis of the Effect of Yogic Techniques on Melatonin Levels: Implications for Sleep Health.
Review in International journal of yoga. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Mechanistic Insights from Neurophysiological Studies of OM Chanting, Pranayama and Yoga Nidra on Sleep Quality.Annals of neurosciences · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Yoga has gained attention as a potential intervention for improving various aspects of health, including sleep quality. Melatonin, a hormone involved in regulating the sleep-wake cycle, has been suggested to play a key role in mediating the effects of yoga on sleep. However, the impact of yoga on melatonin levels remains unclear. The current meta-analysis aimed to evaluate the effect of yoga on melatonin levels based on existing studies. A systematic literature search was conducted to identify studies investigating the impact of yoga on melatonin levels. Five eligible studies were included, comprising a total of 196 observations. The standardized mean difference (SMD) was calculated as the effect size measure. The current meta-analysis was performed using a random-effects model to estimate the pooled SMD, along with 95% confidence intervals (CIs) in R software (version 4.3.2). Heterogeneity across studies was assessed using the
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.