Sunlight, L-Tryptophan & Vitamin B6 With Breakfast Increase Serotonin and Wakefulness During the Day and Melatonin and Restful Sleep at Night
Image 1: For these kids the high tryptophan + B6 breakfast would be useless unless they already got their 10min+ of direct sun exposure this morning A recently published study that was conducted by a team of international researchers led by Miyo Nakade from the Gakuen University in Nagoya, Japan ( Nakade. 2012 ), concludes that sunlight exposure and vitamin B6 and l-tryptophan intake with breakfast could be profound modulators of circadian rhytmicity in young children (N=816, age = 2-6 years). The results the researchers published in the latest issue of the Journal of Physiological Anthropology clearly suggest that the increased production of serotonin from l-tryptophan and the vitamin B6 metabolite pyridoxal 5’-phosphate (also known as PLP or p5p) exerts beneficial effects on the morningness-eveningness (M-E) score - a measure for the natural and highly desirable difference in wakefulness in the morning and sleepiness in the evening, the disturbance of which is among the emergin...