Introduction
Question: Why do glycine and salt help with sleep?
The glycine is probably working primarily by acting as an inhibitory neurotransmitter and lowering core body temperature to promote faster falling asleep and deeper sleep achieved. And then on the salt. The salt is going to stimulate antidiuretic hormone or vasopressin, which is really a mechanism to regulate the concentration of solutes in the blood, and make sure your electrolyte and fluid balance is proper. And so glycine's getting you a deeper sleep. Salt is preventing you from having to pee, and the two of those make you less likely to wake up for that purpose.
This Q&A can also be found as part of a much longer episode, here:
084: Ask Me Anything About Nutrition, June 23, 2021
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DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice.
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