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correlational
positive effect

Glycine might help people sleep better in a different way than common sleep medications

Scientific Claim

Glycine ingestion (3 g) before bedtime may produce subjective and objective improvements in sleep quality through a different mechanism than traditional hypnotic drugs such as benzodiazepines in individuals with chronic unsatisfactory sleep

Source Excerpt

Thus, a bolus ingestion of glycine before bedtime seems to produce subjective and objective improvement of the sleep quality in a different way than traditional hypnotic drugs such as benzodiazepines.