Glycine evidence, 2007
Yamadera W, Inagawa K, Chiba S, et al., Sleep and Biological Rhythms, 2007 — crossover trial of 3 g glycine before bed with polysomnography
- Grade
- Design
- crossover rct
- Year
- 2007
- Participants
- 11
- Ingredient
- Glycine
- Goal
- Sleep
Effect
3 g glycine before bed shortened time to reach stable sleep on polysomnography and improved rated sleep quality.
Limitations and notes
Very small trial; the glycine sleep literature is promising but thin.