I'm looking at the wikipedia article on Melatonin and noticed that it mentions vivid dreaming caused by melatonin. I have the "Melatonin and the Biological clock" pamphlet referenced in the article, ...
I have found multiple sources giving slightly different indications as to the peak Melatonin production in humans. It appears that children between ages 5 and 10 may achieve peak Melatonin/blood ...
I'm interested in the sleep patterns of wild animals, that still use sun for controlling their biological clock. Animals entrain their biological clock to the day/night cycle using light as the ...