why do people get tired after they eat?
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If you’re speaking about instant after they eat – other comments answered it pretty well.
If you’re speaking some time after eating:
This is because modern diet is based on carbs, on sugars. These get digested very quickly creating a spike in blood sugar. Your body then starts releasing large amounts of insulin hormone to get rid of it and overdoes it leading to insulin crash, where your blood sugar levels drop to very low levels temporarily. With modern diet sugar is your source of energy your body is used to so you feel tired when that happens.
unrelated but is there a way to counteract the sleepiness after eating?
Because the food they eat is dead. Enzymes are in present in full force before you cook. Moreover only Jesus was good and turning the dead living, for us humans we need to sleep 5 extra hours to quell the bacterial revolution of purification process that occurs for the almost 2 days worth of bacterial growth in our systems tropical temperature before a majority of what we eat is released as waste without being utilized.
Try ramping up the percentage of your food that is uncooked is fruits n veggies and see that eating living food doesn’t make u sleepy after eating as the energy is readily available.
Turning life into life is an easier process. Less demanding less sleepy.
Digest that š
Well ā¦ when you feed a baby, they go into a milk coma, and that never stops – it just evolves to actual food.
Basically digestion takes a lot of energy. Like 10% on average for humans, and that is the average for the whole day not just after a meal.
Because you eat too many carbs, which raises your insulin level. Especially highly processed foods. If you get a healthier diet you don’t get tired after eating.
Well imagine a bunch of people transporting energy to different sites. They all start from the main site. But now the main site needs to convert food to make energy and nutrients. So all the people donāt go to the different sites but stay at the main site to help keep the energy in one place.
This is why you feel tired after eating. Because digestion takes a lot of energy at the beginning, so the body slows down blood flow to other organs, including your brain, making you feel tired.
Also this is why they say ādonāt shower or swim after eatingā because blood flow is redirected to cooling/heating your body rather than digesting.
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.
Semi-related: I’ve had some cardiac patients who took nitroglycerin with every meal because their heart(s) was so bad. Ie. Digestion was too demanding on the heart so they took a vasodilator…
I am reading two theories: one about oxygenated blood allocation, and one about evolutionary processes related to insulin and blood sugar. Which of these processes is most responsible?
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