Melatonin evidence, 2013
Ferracioli-Oda E, Qawasmi A, Bloch MH, PLoS ONE, 2013 — meta-analysis of melatonin and sleep outcomes
- Grade
- Design
- meta analysis
- Year
- 2013
- Participants
- 1683
- Ingredient
- Melatonin
- Goal
- Sleep
Effect
Across 19 RCTs, melatonin shortened time to fall asleep by ~7 minutes, added ~8 minutes of total sleep, and improved rated sleep quality versus placebo.
Limitations and notes
Effects are modest in absolute minutes but consistent across trials.
doi.org/10.1371/journal.pone.0063773