Holistic Nursing Practice · 2026
Lavender & sleep quality
A systematic review and meta-analysis in Holistic Nursing Practice combined 11 randomized controlled trials involving 628 adults. The pooled results favored lavender essential oil interventions for sleep quality.
- Randomized trials
- 11
- Adult participants
- 628
- Pooled effect
- −0.56 SMD
95% CI −0.96 to −0.17 · P = 0.005
Study details & limitations
Results varied substantially between studies (I² = 82%). The authors call for further high-quality trials.
Shen H, Zhang LJ, Zhu WY. The Sleep-Enhancing Effect of Lavender Essential Oil in Adults: A Systematic Review and Meta-Analysis. Holistic Nursing Practice. 2026;40(2):105–118.
DOI: 10.1097/HNP.0000000000000734