Why do we get tired, or sometimes even fall asleep, after eating a large amount of food??
In: Biology
As the sugar enters your blood stream your body releases chemicals to start moving that sugar into your cells and out of your blood. This results in a little too much sugar being taken out of the blood and your blood sugar will dip, the amount depends on how much sugar is entering and how many chemicals your body made to move them. This will make your body feel tired. Also, when chemicals like insulin are released in to your body to facilitate this process, they will enter your brain through the Blood brain barrier and there, the chemicals act differently and the insulin will signal to your brain to begin the rest and digest mode basically. The hormones that signal to break the sugar down in the body will have incredibly diverse functions once they make it into the brain and those chemicals in the brain will help regulate feeding/sleeping/memory behaviors.
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