Back
correlational
positive effect
Taking 3 grams of glycine before bed might help people spend more time actually sleeping compared to time spent in bed, according to sleep monitoring equipment.
Scientific Claim
Ingestion of 3 grams of glycine before bedtime is associated with improved sleep efficacy (sleep time/in-bed time) in individuals with chronic unsatisfactory sleep, as measured by polysomnography.
Source Excerpt
“Glycine improved subjective sleep quality and sleep efficacy (sleep time/in-bed time), and shortened PSG latency both to sleep onset and to slow wave sleep without changes in the sleep architecture.”