why do people get tired after they eat?
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Maybe more than ELI5 but we have a part of our nervous system that takes care of everything in our body we don’t have to think of – called the autonomic nervous system. The more famous part of that is the SYMPATHETIC nervous system which we know as our “flight or fight” response. It boosts our adrenaline, primes our muscles for quick action, increases our heart rate, dilates our eyes for wider vision, etc.
The opposite of that is the PARASYMPATHEIC nervous system which is called our “rest and digest” response. Essentially the opposite of the above; slow our heartbeat, relax the muscles, lowers your BP. Food in our stomach activates our parasympathetic system.
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