It's called the 'alkaline tide'. Digestion diverts blood to the gastrointestinal tract and the pancreas releases insulin, boosting the entry of tryptophan into the brain to synthesize serotonin and melatonin.


It's called the 'alkaline tide'. Digestion diverts blood to the gastrointestinal tract and the pancreas releases insulin, boosting the entry of tryptophan into the brain to synthesize serotonin and melatonin.