This Is Why You Feel Sleepy After You've Eaten Lots Of Food

Ever feel the need to nap after eating a ginormous plate of food? You're not the only one.

We may joke about "food comas" but feeling tired after eating is a medically recognised condition.

The technical name for the phenomenon is postprandial somnolence.

In the video above, Amy Shira Teitel from DNews explains that a food coma occurs due to a shift in activity in our autonomic nervous system.

The autonomic nervous system is the part of the body responsible for bodily functions not consciously directed, such as breathing, the digestive process and the heartbeat.

So next time you feel so stuffed you can't move, blame science.

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