Sleepy After Lunch? Your SIESTA Means You Have…

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. . Many people feel an afternoon crash, but what if I told you feeling sleepy after lunch is not normal? 


0:04 Why you feel sleepy after lunch 
0:10 Countries that take a siesta 
0:44 Postprandial somnolence
1:15 Why does this cause you to be tired after eating? 
2:39 An experiment 

In this video, we’re going to talk about why you’re sleepy after eating, or you feel like you really need an afternoon nap. 

The main reason you feel tired after eating is because of carbohydrates. 

There are many countries that take a siesta, such as:

• Mexico 
• Italy 
• Philippines  
• Vietnam 
• Certain Mediterranean countries 
• Southern Europe 
• Spain 

Is feeling sleepy after a meal normal? No. 

There is actually a name for feeling sleepy after eating. It’s called postprandial somnolence. Basically, this refers to the food coma you get every day. This is a common feature of diabetes. When you have the combination of refined carbohydrates and the volume of calories, this can cause a blood sugar spike and an insulin spike. Both of these can make you tired. 

Why does this cause you to be tired after eating? There are several things going on:

• You activate the parasympathetic nervous system. 
• You decrease the blood to the brain.
• You decrease the arousal pathways of the brain. 
• A high carb diet causes you to absorb certain amino acids but not others like tryptophan, which will be absorbed through the blood-brain barrier. Tryptophan will then directly turn into serotonin and melatonin (the sleep hormone).

If you live in a country where people typically take a siesta, consider trying not to consume carbohydrates with your lunch for one week. At the end of the week, see if this little experiment has helped you feel less sleepy after eating. 

Dr. Eric Berg DC Bio:
Dr. Berg, 53 years of age is a chiropractor who specializes in Healthy Ketosis & Intermittent Fasting. He is the author of The New Body Type Guide and other books published by KB Publishing. He has taught students nutrition as an adjunct professor at Howard University. He no longer practices, but focuses on health education through social media.


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Dr. Eric Berg received his Doctor of Chiropractic degree from Palmer College of Chiropractic in 1988. His use of “doctor” or “Dr.” in relation to himself solely refers to that degree. Dr. Berg is a licensed chiropractor in Virginia, California, and Louisiana, but he no longer practices chiropractic in any state and does not see patients so he can focus on educating people as a full time activity, yet he maintains an active license. This video is for general informational purposes only. It should not be used to self-diagnose and it is not a substitute for a medical exam, cure, treatment, diagnosis, and prescription or recommendation. It does not create a doctor-patient relationship between Dr. Berg and you. You should not make any change in your health regimen or diet before first consulting a physician and obtaining a medical exam, diagnosis, and recommendation. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition. The Health & Wellness, Dr. Berg Nutritionals and Dr. Eric Berg, D.C. are not liable or responsible for any advice, course of treatment, diagnosis or any other information, services or product you obtain through this video or site.

Thanks for watching! Consider cutting carbs out of your lunch and see if you still get sleepy after lunch.

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