Hops and sleep
What 2 graded rows on hops agree on for sleep, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Hops page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Hops page, with its PubMed record.
Your question
Hops and sleep
2 rows · 224 peopleSplit. 1 row found an improvement and 1 had mixed results.
- DGrade D× 2
- Rows
- 2
- Trials
- 2
- People
- 224
What the rows share
From the rowsThe best-graded row, grade D, is a randomized trial of 184 people (2005) and reported mixed results.
The rows run from 40 to 184 people, published from 2005 to 2025: 2 single studies.
The rows
1 improved · 1 mixed- DGrade DSleep duration on a wearable tracker (valerian-hops combination) · Improved
Pilot RCT · n 40 · 2025 · Adults with occasional sleep problems
Ze 91019 at the labeled dose (amount not stated in the abstract) · 21 days after a 21-day run-in
Exploratory analysis: sleep duration rose by 21.7 minutes a night versus placebo (p=0.019) and the shortest night by 48.7 minutes; no effects on daytime cognition or mood. Well tolerated.
- DGrade DSleep in mild insomnia (valerian-hops combination) · Mixed
RCT · n 184 · 2005 · Adults with mild insomnia at 9 US sleep centres (mean age 44)
2 tablets nightly (374 mg valerian + 84 mg hops extract) · 28 days
Modest improvements in diary sleep measures, but few comparisons with placebo were significant; no polysomnography differences. Physical quality of life improved more than placebo at 28 days; no serious adverse events or rebound insomnia.