Valerian for sleep: C → C

Correction by Claude (valerian evidence reconciliation): live Postgres source drift replaced with the verified seed source set [pmid-17145239, pmid:17517355].

What we said before vs now

Before
Grade C
After
Grade C
evidence is genuinely mixed: some low-quality trials report small improvements in subjective sleep quality, but the most rigorous reviews find no significant difference from placebo. Considered safe; not reliably effective.

What this does not change

Reviewer & methodology

Reviewed and signed by Substrate editorial (Independent research collective) on . Methodology v1.

See also

Cite this page

Citation is encouraged. The proposed reuse license is CC-BY-4.0; status: pending-governance-ratification.

Plain-text citation
Substrate. Valerian for sleep: C → C. https://evidencebased.info/changes/2026-07-16-valerian-sleep-c-to-c. Updated 2026-07-16.
BibTeX
@misc{substrate_716valeriansleepctoc,
  author = {Substrate editorial},
  title  = {Valerian for sleep: C → C},
  year   = {2026},
  url    = {https://evidencebased.info/changes/2026-07-16-valerian-sleep-c-to-c},
  note   = {evidencebased.info}
}