Tryptophan is one of 20 naturally occurring amino acids—the building blocks of proteins. Tryptophan is used by the human body to make serotonin, a neurotransmitter. Some call Tryptophan the sleep hormone. Tryptophan promotes sleep. Tryptophan is contained in many foods such as Turkey, Almonds, and Honey.

Sleep Tip #158: Digest the sleep hormone (Tryptophan).