Choose one that's high in tryptophan, an amino acid that your body uses to produce serotonin and melatonin. Snack options ...

Low levels of tryptophan may affect the production ... equals 60 milligrams of tryptophan. Taking high doses of tryptophan is unlikely to cause adverse health effects. However, experts generally ...

Elevated levels of LDL, or low-density lipoprotein ... Pumpkin seeds are high in L-tryptophan, an amino acid that promotes sleep. This is because tryptophan helps your body create serotonin ...