This is entirely hearsay but I've also heard that eating a banana before sleep can stimulate more vivid dreams. I'm going to do some reading tomorrow to see what exactly this is meant to be based on.
Quick search results are lots of claims of eating foods high in tryptophan to raise serotonin with little research results included.
However, the NIH research suggests(which I am more inclined to trust over commercial sites):
Sunlight, happiness, exercise and diet. Fatigue even reduces amino acids that may inhibit absorption of serotonin. As for the diet part:
However, the NIH research suggests(which I am more inclined to trust over commercial sites): Sunlight, happiness, exercise and diet. Fatigue even reduces amino acids that may inhibit absorption of serotonin. As for the diet part:
"Although purified tryptophan increases brain serotonin, foods containing tryptophan do not."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2077351/