Research · Randomized controlled trial
Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality
What it found
Tart cherry juice raised urinary melatonin and significantly increased time in bed, total sleep time, and sleep efficiency versus placebo.
- Design
- Randomized controlled trial
- Year
- 2012
- Sample size
- 20
- Population
- healthy adult volunteers (crossover)
- Intervention
- Montmorency tart cherry juice concentrate for 7 days vs placebo
- Outcome
- urinary melatonin and actigraphy/subjective sleep
- Journal
- European Journal of Nutrition
Citation last checked 2026-06-21.