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Catalyst

Withania somniferaFinding

Withania somnifera has no detected effect on Pittsburgh Sleep Quality Index global score

no difference foundStrong evidenceFinding

01 · The sentence it was drawn from

“However, there was no significant effect of Ashwagandha extract compared to placebo in improving Pittsburgh Sleep Quality Index (SMD -0.90; 95% CI -2.13 to 0.33; I2 = 90%; p = 0.150; two trials; 131 participants), and total time in bed (SMD -0.17; 95% CI -0.41 to 0.07; I2 = 0%; p = 0.170; three trials; 281 participants).”
Quoted verbatim from Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis.
This finding among the 12 findings on its endpoint

Withania somnifera

Pittsburgh Sleep Quality Index global score

no difference found

Effect as reported

−0.9standardised mean difference

CI −2.13 to 0.33

Who
n = 131 · Adults in randomised placebo-controlled trials pooled in a meta-analysis; PSQI reported by two of the five trials (one in adults with insomnia, one in healthy adults and adults with insomnia)
Dose studied
600 mg/day (Table 1, the two trials reporting PSQI)

Strong evidencePMID 34559859 · 2021

02 · The study

Study
meta-analysis
Participants
131
Duration
not reported

Evidence, by strength

  • strongthis finding
  • moderate
  • limited
  • very limited
  • insufficient

03 · The paper

PloS one
What else it reported1 finding · 0 compounds · 1 endpoint

04 · To cite this finding

This address does not change

https://catalystproject.ai/e/01M6Y4BZN9PXTW4RB22NJCBGPJ