Over the years we have been provide with several tips or tricks to fall asleeps in a fast and more confortable way. Counting sheeps, thinking about sleeping, emptying our mind, or listening to boring records…
With the age, the methods may change, but the idea was the same. Counting prime numbres, thinking about the periodic table of elements, …
But, always, everywhere, people have drunk hot milk. And, aparently, it works… Why?

Well… Acording to some papers, the heat breaks some of the unions between aminoacids, causing the Tryptophan to be released. Why is this important? Or… To put it other way…

How does sleep works?

Some people would think that sleep is some kind of pasive mode of the brain. That when it’s tired, he just calm down or something. But they are terribly wrong. Sleeping is an active process. Which mean that it needs a trigger to start (and we know this because there is an...