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The Question
Tue Aug 21 03:44:16 UTC 2012

Why does eating lunch make me slump ?
Asked By: phildent  

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Thankyou for this website. I can go a whole morning after eating a healthy breakfast and feel great. But on some days when I eat lunch ( today I had sardines on toast) I slumped and had to lie down for a while. Why is this ? Thanks very much
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Expert Answers (1)
2012-08-22 21:29:20.0

Thanks for asking dLife.

The after-meal slump is often associated with consuming a large meal. It can also occur with smaller meals. The link between eating meal and feeling sleepy is that eating stimulates activity in the parasympathetic nervous system, which tells the body to slow down and digest. The body focuses the bulk of its energy on digestion.

Commonly carbohydrates (starches and sugars) tend to be the main culprit. As food breaks down into glucose (the simplest form of sugar which the body uses for fuel), a surge in blood sugar occurs. Insulin is released. The increase in insulin may cause the brain to produce more serotonin and melatonin, the two neurochemicals that can leave one feeling drowsy. This sleepy sensation usually passes after an hour or so. A reason for a short afternoon siesta in many countries south of the border.

Read about after meal slump.

Avert the slump before it starts. Get between seven and eight hours of sleep each night. Once you've eaten a healthy lunch, take a brisk 10- to 15-minute walk to get the blood circulating. The fresh air and sunlight are invigorating.

Take care.

Answered By: Liz Quintana
Accreditations: EdD, RD, LD, CDE
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*** All information contained on dLife.com is intended for informational and educational purposes only. Our Expert Q&A is not intended to be a replacement or substitute for consultation with a qualified medical professional or for professional medical advice related to diabetes or another medical condition. Please contact your physician or medical professional with any questions and concerns about your medical condition.

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