Health effect
Sleep Duration
Can supplements add meaningful sleep time? Here is how trial results compare with the broader task of treating poor sleep.
Linked studies
5 publications behind the ratings for sleep duration, newest first.
Optimizing the Time and Dose of Melatonin as a Sleep-Promoting Drug: A Systematic Review of Randomized Controlled Trials and Dose-Response Meta-Analysis.2024 · MelatoninThe effect of glycine administration on the characteristics of physiological systems in human adults: A systematic review2023 · GlycineHigh dose melatonin increases sleep duration during nighttime and daytime sleep episodes in older adults2022 · MelatoninNutritional Modulation of Sleep Latency, Duration, and Efficiency: A Randomized, Repeated-Measures, Double-Blind Deception Study2022 · GlycineEffects of exogenous melatonin on sleep: a meta-analysis.2005 · Melatonin